Stay informed with the newest features, essential bug fixes, and critical security updates for Microsoft 365/Office 365 on Windows, directly from Microsoft. This page is now current with Version 2601 (Build 19628.20150), launched on January 27, 2026.
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Subscribers to Microsoft 365 (and Office 365) receive more regular software updates compared to those with a one-time Office purchase. This ensures subscribers benefit from the newest features, vital security patches, and necessary bug fixes. However, monitoring these changes and their availability can be challenging. We’ve compiled this information to simplify the process for you.
Below, you’ll find a concise overview of the Microsoft 365/Office 365 updates for Windows from the last year, presented with the most recent releases appearing first. We will continuously update this page as new information becomes available.
Please note: This article focuses on updates deployed to the Current Channel for Microsoft 365/Office 365 subscribers. For those participating in Microsoft’s Office Insider preview program or interested in early access to future features, refer to the Microsoft 365 Insider blog.
Version 2601 (Build 19628.20150)
Release date: January 27, 2025
This release enhances OneNote by ensuring your selected proofing language is applied more consistently, eliminating the need for frequent resets when composing in various languages. Furthermore, it addresses several defects, notably one that led to Office applications freezing during profile card interactions.
Discover more about Version 2601 (Build 19628.20150).
Version 2512 (Build 19530.20184)
Release date: January 21, 2025
According to Microsoft, this build incorporates “Various fixes to functionality and performance.”
Discover more about Version 2512 (Build 19530.20184).
Version 2512 (Build 19530.20144)
Release date: January 13, 2026
This update resolves several issues, such as one that caused Excel, PowerPoint, and Word to hang when users interacted with profile cards.
Additionally, it addresses various security vulnerabilities. For comprehensive information, consult the Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2512 (Build 19530.20144).
Version 2512 (Build 19530.20138)
Release date: January 8, 2025
This release, as described by Microsoft, provides “Various fixes to functionality and performance.”
Discover more about Version 2512 (Build 19530.20138).
Version 2511 (Build 19426.20218)
Release date: December 16, 2025
As per Microsoft, this build delivers “Various fixes to functionality and performance.”
Discover more about Version 2511 (Build 19426.20218).
Version 2511 (Build 19426.20186)
Release date: December 9, 2025
This Patch Tuesday release features, in Microsoft’s terminology, “Various fixes to functionality and performance.” It also incorporates numerous security enhancements (view details).
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2511 (Build 19426.20186).
Version 2511 (Build 19426.20170)
Release date: December 3, 2025
This build contains, in Microsoft’s words, “Various fixes to functionality and performance.”
Discover more about Version 2511 (Build 19426.20170).
Version 2510 (Build 19328.20244)
Release date: November 20, 2025
This build resolves an Outlook bug where users would repeatedly encounter a “Contacting the server for information” message when loading specific emails.
Discover more about Version 2510 (Build 19328.20244).
Version 2510 (Build 19328.20232)
Release date: November 18, 2025
This release features, as articulated by Microsoft, “various fixes to functionality and performance.”
Discover more about Version 2510 (Build 19328.20232).
Version 2510 (Build 19328.20190)
Release date: November 11, 2025
This Patch Tuesday build addresses an Outlook issue preventing certain recipients from accessing OneDrive links shared through email. The update also incorporates a range of security enhancements (view details).
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2510 (Build 19328.20190).
Version 2510 (Build 19328.20178)
Release date: November 4, 2025
This build resolves one specific bug: @mention searches within Office applications were failing to return results.
Discover more about Version 2510 (Build 19328.20178).
Version 2510 (Build 19328.20158)
Release date: October 30, 2025
This release introduces an enhanced “Get Data” dialog in Windows, streamlining the process of locating and utilizing external data, and integrates “Analyze Data” into the Data tab.
Additionally, the build corrected an Outlook defect that hindered users from downloading web add-ins within specific virtualized settings.
Discover more about Version 2510 (Build 19328.20158).
Version 2509 (Build 19231.20216)
Release date: October 21, 2025
Microsoft states this build includes “various fixes to functionality and performance.”
Discover more about Version 2509 (Build 19231.20216).
Version 2509 (Build 19231.20194)
Release date: October 14, 2025
This build features a range of security updates (view details), alongside general improvements to functionality and performance.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2509 (Build 19231.20194).
Version 2509 (Build 19231.20172)
Release date: October 7, 2025
This build, as indicated by Microsoft, provides “various fixes to functionality and performance.”
Discover more about Version 2509 (Build 19231.20172).
Version 2509 (Build 19231.20156)
Release date: October 1, 2025
This build resolves two issues: an Excel bug where ribbon controls failed to render when re-entering Office sessions in virtual machines, Azure Virtual Desktop, or remote desktop environments, and an Outlook bug causing unexpected shutdowns upon startup.
Discover more about Version 2509 (Build 19231.20156).
Version 2508 (Build 19127.20264)
Release date: September 23, 2025
Microsoft describes this build as containing “various fixes to functionality and performance.”
Discover more about Version 2508 (Build 19127.20264).
Version 2508 (Build 19127.20240)
Release date: September 16, 2025
This release, according to Microsoft, provides “various fixes to functionality and performance.”
Discover more about Version 2508 (Build 19127.20240).
Version 2508 (Build 19127.20222)
Release date: September 9, 2025
This build includes several security updates (view details), in addition to various enhancements for functionality and performance.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2508 (Build 19127.20222).
Version 2508 (Build 19127.20192)
Release date: September 3, 2025
This build resolves an issue where certain Outlook add-ins were encountering “Office.auth.getAccessToken is not a function” errors.
Discover more about Version 2508 (Build 19127.20192).
Version 2508 (Build 19127.20154)
Release date: August 26, 2025
This build corrects a bug that led to Outlook crashing unexpectedly when sending meeting invitations with encryption labels. It also introduces support for pixelated rendering of embedded images within SVG assets across the entire Office suite.
Discover more about Version 2508 (Build 19127.20154).
Version 2507 (Build 19029.20208)
Release date: August 19, 2025
This build addresses a range of various bugs.
Discover more about Version 2507 (Build 19029.20208).
Version 2507 (Build 19029.20184)
Release date: August 12, 2025
This build resolves an issue where users had to restart Outlook to open a .msg file after its initial access. Additionally, the release incorporates various security updates (view details).
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2507 (Build 19029.20184).
Version 2507 (Build 19029.20156)
Release date: August 5, 2025
This build addresses a singular bug that necessitated an Outlook restart for users to open a .msg file after their initial interaction with it.
Discover more about Version 2507 (Build 19029.20156).
Version 2507 (Build 19029.20136)
Release date: July 30, 2025
This build resolves a broad spectrum of bugs, including one that caused Outlook to unexpectedly close soon after launch, and another in Word where the word count occasionally showed an inaccurate value.
Discover more about Version 2507 (Build 19029.20136).
Version 2506 (Build 18925.20184)
Release date: July 22, 2025
This build addresses two bugs: one causing the Copilot Command Center to remain visible even after its user interface was disabled, and another in PowerPoint where specific characters (full-width numbers) were not correctly transferred when creating handouts.
Discover more about Version 2506 (Build 18925.20184).
Version 2506 (Build 18925.20168)
Release date: July 15, 2025
This build resolves two issues: one that caused Visio 32-bit to unexpectedly shut down when utilizing the Drawing control, especially in environments with COM components or .NET integrations, and another in Word where copying and pasting content between documents occasionally led to unintended style alterations.
Discover more about Version 2506 (Build 18925.20168).
Version 2506 (Build 18925.20158)
Release date: July 8, 2025
This Patch Tuesday build corrects several bugs across Outlook, PowerPoint, Word, and the entire Office suite, including an issue where the Copilot icon erroneously appeared in Outlook despite being disabled by an administrator in government cloud environments.
The release also encompasses a range of security updates (view details).
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2506 (Build 18925.20158).
Version 2506 (Build 18827.20176)
Release date: July 1, 2025
This build addresses a comprehensive array of bugs, notably one in Word where print preview occasionally ceased function when printing lengthy emails.
Discover more about Version 2506 (Build 18827.20176).
Version 2505 (Build 18827.20176)
Release date: June 26, 2025
This build introduces several new capabilities, including an Excel enhancement where the PivotTables dialog box interface has been replaced with a refreshed panel. This makes it easier to access all options and simplify data selection before inserting a recommended PivotTable.
Discover more about Version 2505 (Build 18827.20176).
Version 2505 (Build 18827.20164)
Release date: June 17, 2025
This build corrects a bug that inadvertently activated the “Try the new Outlook” toggle when operating Classic Outlook alongside the new Outlook experience.
Discover more about Version 2505 (Build 18827.20164).
Version 2505 (Build 18827.20150)
Release date: June 10, 2025
This build resolves several bugs, including an Office suite-wide issue where “Save As” attempts on existing files failed, leading to ongoing problems when trying to save to non-existent files.
This Patch Tuesday release also encompasses various security updates: view details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2505 (Build 18827.20150).
Version 2505 (Build 18827.20140)
Release date: June 3, 2025
This build provides a range of bug fixes and performance enhancements.
Read further about Version 2505 (Build 18827.20140).
Version 2504 (Build 18730.20186)
Release date: May 20, 2025
This build unveils a new PowerPoint feature: notification emails for mentions, tasks, comments, and replies will now include contextual previews, even when the original document is encrypted, with the email inheriting the document’s security policies.
Discover more about Version 2504 (Build 18730.20186).
Version 2504 (Build 18730.20168)
Release date: May 13, 2025
This build resolves an Outlook bug that caused high CPU usage when users were typing. It also incorporates a range of security updates: view details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2504 (Build 18730.20168).
Version 2504 (Build 18730.20142)
Release date: May 6, 2025
This build features sundry bug and performance corrections.
Discover more about Version 2504 (Build 18730.20142).
Version 2504 (Build 18730.20122)
Release date: April 29, 2025
This build addresses a broad spectrum of bugs, including a PowerPoint issue preventing file opening from network mapped drives via File Explorer, a Word issue causing unexpected shutdowns when opening .doc files, and an Office suite-wide issue where large 3D files could not be inserted.
Discover more about Version 2504 (Build 18730.20122).
Version 2503 (Build 18623.20208)
Release date: April 17, 2025
This build resolves an issue that could lead to Excel becoming unresponsive.
Discover more about Version 2503 (Build 18623.20208).
Version 2503 (Build 18623.20178)
Release date: April 8, 2025
This build addresses a specific Word bug where users might experience a “saving…” message persistently in the title bar during saving operations. It also incorporates a variety of security updates. Go here for details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2503 (Build 18623.20178).
Version 2503 (Build 18623.20156)
Release date: April 2, 2025
This build introduces Dark Mode functionality in Excel, which darkens the entire spreadsheet, including cells, potentially easing eye strain. It also resolves several bugs, such as a Word issue causing poor performance when opening files with numerous tracked changes and comments, and a PowerPoint issue where the icon for an inserted PDF object was not displayed.
Discover more about Version 2503 (Build 18623.20156).
Version 2502 (Build 18526.20168)
Release date: March 11, 2025
This build addresses multiple bugs, including an issue causing slow performance in some Word files with extensive tracked changes and comments. It also incorporates a variety of security updates: view details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2502 (Build 18526.20168).
Version 2502 (Build 18526.20144)
Release date: March 5, 2025
This build resolves a broad range of bugs, including a Word issue where the default font size might not be 12pt as anticipated, and a PowerPoint issue causing the application to automatically close when the system entered hibernate or sleep mode.
Discover more about Version 2502 (Build 18526.20144).
Version 2501 (Build 18429.20158)
Release date: February 11, 2025
This build removes the ability to display Track Changes balloons in the left margin within Word. It also encompasses a variety of security updates. Refer to “Release notes for Microsoft Office security updates” for further information.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2501 (Build 18429.20158).
Version 2501 (Build 18429.20132)
Release date: January 30, 2025
In this build, the advanced Track Changes setting for configuring balloon margins in Word has been eliminated.
A comprehensive array of bugs has also been resolved, including a PowerPoint issue where ActiveX controls consumed excessive GDI handles, and an Office suite-wide issue preventing images from being pasted from SharePoint.
Discover more about Version 2501 (Build 18429.20132).
Version 2412 (Build 18324.20194)
Release date: January 16, 2025
This build corrects a single bug that caused applications to unexpectedly close when executed on Windows Server 2016.
Discover more about Version 2412 (Build 18324.20194).
Version 2412 (Build 18324.20190)
Release date: January 14, 2025
This build resolves a Word bug where table layouts were unintentionally altered. It also incorporates a variety of security updates. Refer to Release notes for Microsoft Office security updates for comprehensive details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2412 (Build 18324.20190).
Version 2412 (Build 18324.20168)
Release date: January 7, 2025
This build enhances Outlook tables for improved screen reader accessibility. It further addresses a wide array of bugs, including a Word issue where documents saved to network shared folders and configured for “Always Open Read-Only” mode would open in “Editing” mode, and an Office suite-wide issue where applications failed to render grids correctly after switching from page break preview to normal view.
Discover more about Version 2412 (Build 18324.20168).
Version 2411 (Build 18227.20162)
Release date: December 10, 2024
This build corrects a Word and Outlook bug where characters were not displayed properly when utilizing “Save Selection to Text Box Gallery.” It also incorporates a variety of security updates. Refer to Release notes for Microsoft Office security updates for details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2411 (Build 18227.20162).
Version 2411 (Build 18227.20152)
Release date: December 5, 2024
This build resolves a comprehensive range of bugs, including an Excel issue where certain cells might not render correctly when scrolling in a worksheet with freeze panes, a Word issue that prevented saving or sending emails containing linked SVG content, and a problem where some PowerPoint presentations created with third-party tools failed to open correctly, resulting in content loss.
Discover more about Version 2411 (Build 18227.20152).
Version 2410 (Build 18129.20158)
Release date: November 12, 2024
This build corrects various bugs, including a Word issue where characters did not display correctly when creating an Outlook task from OneNote, and a PowerPoint issue where embedded BMP images in slides failed to open.
This build also incorporates a variety of security updates. Refer to Release notes for Microsoft Office security updates for detailed information.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2410 (Build 18129.20158).
Version 2410 (Build 18129.20116)
Release date: October 28, 2024
This build introduces filtering capabilities for the comment pane in Excel and resolves a variety of bugs, including a Word issue where the title bar no longer displayed a “Saved” status for locally saved files, and a PowerPoint issue where a graphics-related problem occasionally caused the app to close unexpectedly.
Discover more about Version 2410 (Build 18129.20116).
Version 2409 (Build 18025.20160)
Release date: October 15, 2024
This build addresses one specific Word bug, which prevented emails with linked SVG content from being saved or sent.
Discover more about Version 2409 (Build 18025.20160).
Version 2409 (Build 18025.20140)
Release date: October 8, 2024
This build resolves various bugs, including a Word issue where text was not clearly visible in High Contrast Mode when using “Draft with Copilot” and referencing a meeting under “Reference your content.”
This build also encompasses multiple security updates. Refer to Release notes for Microsoft Office security updates for details.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2409 (Build 18025.20140).
Version 2409 (Build 18025.20104)
Release date: September 25, 2024
This build corrects a lone bug: when saving a file in Word, the save status indicator was absent from the Title bar.
Discover more about Version 2409 (Build 18025.20104).
Version 2409 (Build 18025.20096)
Release date: September 23, 2024
This build enhances the user experience for defining permissions when a user-defined sensitivity label is applied to a file, or when configuring standalone Information Rights Management via the Restrict Access feature. This improvement impacts Excel, PowerPoint, and Word.
The build also resolves a variety of bugs, including a Word issue where Document Mode would switch from “editing” to “viewing” if “Track Changes” was enabled and set to “For Everyone.”
Discover more about Version 2409 (Build 18025.20096).
Version 2408 (Build 17928.20156)
Release date: September 10, 2024
This update will discontinue Flip video support when the service ceases operation on October 1, 2024. The build additionally includes various security updates. Access details here.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2408 (Build 17928.20156).
Version 2408 (Build 17928.20114)
Release date: August 26, 2024
This build enables users to disable connected experiences for privacy reasons without affecting data security policies, like sensitivity labels. Services linked to Microsoft Purview (e.g., sensitivity labels and rights management) will now be governed by their established security administration controls within Purview portals, rather than by Microsoft 365 Apps’ privacy policy settings.
The build also addresses various bugs, including an Outlook issue where default S/MIME labels failed to apply when a user replied to or forwarded an unlabeled message, and a suite-wide issue preventing the installation of Microsoft 365 apps on enrolled devices.
Discover more about Version 2408 (Build 17928.20114).
Version 2407 (Build 17830.20166)
Release date: August 13, 2024
This build incorporates a range of security updates for Excel, Outlook, PowerPoint, Project, Visio, and the entire Office suite. For full details, refer to Microsoft’s Release notes for Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2407 (Build 17830.20166).
Version 2407 (Build 17830.20138)
Release date: August 1, 2024
This build resolves a vast assortment of bugs, including an Excel issue where co-authoring on text boxes occasionally produced unexpected outcomes, a PowerPoint issue where line widths were not retained when exporting arrow shapes to PDF, and a Word issue where revisions were sometimes overlooked during VBA-based reviews.
Discover more about Version 2407 (Build 17830.20138).
Version 2406 (Build 17726.20160)
Release date: July 9, 2024
This build corrects several bugs, including one in Word and Excel where characters were not displayed correctly in the Text Box Gallery. It also patches a number of security vulnerabilities. For detailed information, consult Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2406 (Build 17726.20160).
Version 2406 (Build 17726.20126)
Release date: June 26, 2024
This build addresses a wide assortment of bugs, including an Excel issue where documents might be unexpectedly edited without a mandatory sensitivity label applied, an Outlook issue causing the application to close unexpectedly shortly after launch for some users, and a problem where pasting data from Word or Excel to an Outlook template as a link resulted in an error message.
Discover more about Version 2406 (Build 17726.20126).
Version 2405 (Build 17628.20164)
Release date: June 19, 2024
This build encompasses a variety of unspecified bug and performance corrections.
Discover more about Version 2405 (Build 17628.20164).
Version 2405 (Build 17628.20144)
Release date: June 11, 2024
This build resolves a single bug that temporarily prevented users from sending emails after updating add-ins with on-send events. It also patches several security vulnerabilities. For details, consult Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2405 (Build 17628.20144).
Version 2405 (Build 17628.20110)
Release date: May 30, 2024
This build addresses a wide range of bugs, including an Excel issue where an embedded workbook in .xls format might not close correctly, an Outlook issue causing the application to close when using Copilot Summarize, a Word issue where content controls might be removed during co-authoring, and an Office suite-wide issue where the Organization Chart Add-In for Microsoft programs failed to load properly.
Discover more about Version 2405 (Build 17628.20110).
Version 2404 (Build 17531.20152)
Release date: May 14, 2024
This build resolves several bugs, including a Word issue where content controls might be removed during co-authoring, and an issue preventing Sovereign users from creating ToDo tasks directly from Outlook.
It also addresses numerous security vulnerabilities. For comprehensive details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2404 (Build 17531.20152).
Version 2404 (Build 17531.20140)
Release date: May 7, 2024
This build corrects two Outlook bugs: one causing unexpected closures when using the Scheduling Assistant to create or view meetings, and another that led to timeouts for add-in developers retrieving notifications from an Outlook client context.
Discover more about Version 2404 (Build 17531.20140) .
Version 2404 (Build 17531.20120)
Release date: April 29, 2024
This build reduces workbook file size by addressing unnecessary cell formatting, introducing a new “Check Performance” task pane. Additionally, it resolves a wide array of bugs, including an Excel issue preventing the default font from being set; an Outlook issue causing custom forms from MAPI form servers to become unresponsive; a PowerPoint issue where online videos sometimes failed to play; a Word issue triggering the error “Word experienced an error trying to open the file” when opening specific documents; and an issue where the Office update installer appeared to be unresponsive.
Discover more about Version 2404 (Build 17531.20120) .
Version 2403 (Build 17425.20176)
Release date: April 9, 2024
This build addresses several security vulnerabilities. For detailed information, consult Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2403 (Build 17425.20176).
Version 2402 (Build 17328.20184)
Release date: March 12, 2024
This build corrects three bugs: an Access issue causing unexpected closures, an Excel issue leading to unexpected closures when opening macro-enabled files with pivot tables and table design, and a Word issue causing unexpected closures when the undo function was utilized.
This build also addresses several security vulnerabilities. For comprehensive details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2402 (Build 17328.20184).
Version 2402 (Build 17328.20162)
Release date: March 4, 2024
This build resolves several bugs, including an Outlook crash occurring when a link was clicked, and an Office suite-wide issue where opened Office apps failed to automatically launch upon laptop reopening, displaying an error message after manual relaunch.
Discover more about Version 2402 (Build 17328.20162).
Version 2402 (Build 17328.20142)
Release date: February 28, 2024
This build addresses a variety of bugs, including an Outlook issue causing unexpected exits when expanding a conversation within “All Mailboxes” search results, and a PowerPoint issue preventing users from creating bullet lists with hyphens.
Discover more about Version 2402 (Build 17328.20142).
Version 2401 (Build 17231.20236)
Release date: February 13, 2024
This build resolves several bugs, including an Excel issue where macros became corrupted upon saving files, and an Office suite-wide issue where add-ins failed to load after “Click trust for content add-in” was selected.
This build also patches numerous security vulnerabilities. For details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2401 (Build 17231.20236).
Version 2401 (Build 17231.20194)
Release date: February 1, 2024
This build corrects a lone bug: expanded groups in the message list would collapse when users altered the column by which they were sorted.
Discover more about Version 2401 (Build 17231.20194).
Version 2401 (Build 17231.20182)
Release date: January 30, 2024
This build addresses a wide variety of bugs, including an Excel issue causing the application to stop responding when saving changes, a PowerPoint issue where Notes and Slide layout would open with incorrect proportions when files were opened from a protected view, and a Word issue where comment cards appeared excessively wide and truncated text when switching screens or displays.
Discover more about Version 2401 (Build 17231.20182).
Version 2312 (Build 17126.20132)
Release date: January 9, 2024
This build addresses multiple security vulnerabilities. For comprehensive details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2312 (Build 17126.20132).
Version 2312 (Build 17126.20126)
Release date: January 4, 2023
This build introduces a new sensitivity toolbar across Word, Excel, and PowerPoint, aiding users in comprehending the security policies relevant to their documents. This feature is accessible when users create document copies via “File / Save As.” Additionally, Office now boasts a new default theme, described by Microsoft as “more modern and accessible.”
It also resolves a broad range of bugs, including an Excel issue where Custom Menu text was truncated upon right-clicking a cell, a PowerPoint issue where restoring a previous presentation version did not function as expected with Version History, and a Word issue where the content control end tag was automatically marked at the document’s end if edited in Word Online and subsequently opened in Word desktop.
Discover more about Version 2312 (Build 17126.20126).
Version 2311 (Build 17029.20108)
Release date: December 12, 2023
This build corrects a single Outlook bug: the message list appeared blank when switching between “Focused” and “Other” views.
It also addresses various security vulnerabilities. For details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2311 (Build 17029.20108).
Version 2311 (Build 17029.20068)
Release date: November 29, 2023
This build now automatically generates image captions for Excel images. When an image is inserted into a spreadsheet, accessibility-focused image captioning is automatically provided.
It also resolves a wide variety of bugs, including an Excel issue where list box controls failed to respond to mouse clicks after scrolling with the mouse wheel, and a Word issue where the language of a presentation was not preserved when saving or exporting it to a PDF file.
Discover more about Version 2311 (Build 17029.20068).
Version 2310 (Build 16924.20150)
Release date: November 14, 2023
This build corrects several bugs, including an Outlook issue where it did not adhere to default browser settings for some users, and another where new lines were inadvertently added to an Outlook signature when pressing Enter in the email body.
It also addresses various security vulnerabilities. For details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2310 (Build 16924.20150).
Version 2310 (Build 16924.20124)
Release date: Oct. 31, 2023
This build resolves a bug that led to Outlook unexpectedly closing when clicking the More link within the Search results list.
Discover more about Version 2310 (Build 16924.20124).
Version 2310 (Build 16924.20106)
Release date: Oct. 25, 2023
This build integrates the Teams Meeting App with Outlook, enabling users to configure a meeting app while scheduling an invitation directly within Outlook. The meeting app will then be accessible for use during chats or when joining the meeting on Teams.
A comprehensive array of bugs has also been addressed, including an Excel issue where certain Pivot Tables loaded slowly; a OneNote issue causing unexpected closures when rapidly navigating between .PDF files across different sections or when performing an undo operation on a .PDF printout insertion; and an Office suite-wide issue that resulted in unexpected black borders appearing around screen captures added using the Insert Screenshot functionality.
Discover more about Version 2310 (Build 16924.20106).
Version 2309 (Build 16827.20166)
Release date: October 10, 2023
This build addresses two bugs: an issue where users found their Outlook add-ins missing, and a Word issue where subheading numbering with a custom style would vanish after saving and reopening the file. It also resolves various security vulnerabilities. For details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2309 (Build 16827.20166).
Version 2309 (Build 16827.20130)
Release date: September 28, 2023
This build introduces two new features: the capability to disable specific types of automatic data conversions in Excel, and support for the “Present in Teams” button, allowing local files to be presented in PowerPoint Live within Microsoft Teams.
Several bugs have also been resolved, including an issue where the setting to control Outlook’s behavior for opening previous items at startup was missing from the Options window, and a Word issue where the Add-ins tab was not visible when using custom toolbar information.
Discover more about Version 2309 (Build 16827.20130).
Version 2308 (Build 16731.20234)
Release date: September 12, 2023
This build addresses several bugs, including an Outlook issue causing unexpected closures when viewing an email, and a PowerPoint issue where the presenter view slide section zoomed in and out when zooming within the notes section.
It also patches various security vulnerabilities. For details, refer to Release notes for Microsoft Office security updates.
Guidance for IT Professionals: Given that this is a security-focused update, its deployment should be prioritized. IT teams are advised to monitor for any reported issues over the coming weeks and, if satisfactory, proceed with the update.
Discover more about Version 2308 (Build 16731.20234).
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