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Microsoft 365 Release Notes

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Last updated: Mar 4, 2026

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  • Mar 3, 2026
    • Date parsed from source:
      Mar 3, 2026
    • First seen by Releasebot:
      Mar 4, 2026

    Microsoft 365 by Microsoft

    Version 2602: March 03

    Version 2602 (Build 19725.20152)

    Resolved issues

    Office suite

    • Fixed an issue where closing a document could in rare cases remain in progress indefinitely after the app resumed from sleep or hibernation.
    Original source Report a problem
  • Feb 24, 2026
    • Date parsed from source:
      Feb 24, 2026
    • First seen by Releasebot:
      Feb 25, 2026

    Microsoft 365 by Microsoft

    Version 2602: February 24

    Version 2602 (Build 19725.20126)

    Resolved issues

    OneNote

    • Fixed an issue that caused OneNote to close unexpectedly upon startup.
    • Fixed an issue that caused OneNote to close unexpectedly when copying and pasting content from a web page containing a (MathML) tag with no attributes.

    Outlook

    • Updated how Word, Excel, and PowerPoint retrieve configuration information to allow People experiences to work properly in Sovereign cloud environments.
    Original source Report a problem

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  • Feb 17, 2026
    • Date parsed from source:
      Feb 17, 2026
    • First seen by Releasebot:
      Feb 4, 2026
    • Modified by Releasebot:
      Feb 18, 2026

    Microsoft 365 by Microsoft

    Version 2601: February 17

    Version 2601 (Build 19628.20214)

    • Various fixes to functionality and performance.
    Original source Report a problem
  • Jan 27, 2026
    • Date parsed from source:
      Jan 27, 2026
    • First seen by Releasebot:
      Jan 28, 2026
    • Modified by Releasebot:
      Feb 4, 2026

    Microsoft 365 by Microsoft

    Version 2601: January 27

    Version 2601 introduces stability fixes across Word, Excel and PowerPoint plus Copilot Chat in modern Excel workbooks. OneNote gains improved proofing language control for multi language writing. Fixes address unresponsiveness and PowerPoint prompts from OneDrive.

    Version 2601 (Build 19628.20150)

    Feature updates

    OneNote

    • Improved proofing language control: OneNote now applies your chosen proofing language more consistently, so you don’t have to reset it for every paragraph when writing in multiple languages.

    Resolved issues

    Excel

    • We fixed an issue that caused Office applications to become unresponsive when profile card-related activities are performed.
    • Local file support for Copilot Chat: Added support for Copilot Chat in modern Excel workbooks stored on your device, giving you the flexibility to query Copilot Chat no matter where your files are located.

    PowerPoint

    • We fixed an issue that caused Office applications to become unresponsive when profile card-related activities are performed.
    • Fixed an issue where opening a PowerPoint document from OneDrive sometimes opened a new presentation with a prompt to add a first slide, even if the presentation already contained slides.

    Word

    • We fixed an issue that caused Office applications to become unresponsive when profile card-related activities are performed.
    Original source Report a problem
  • Jan 21, 2026
    • Date parsed from source:
      Jan 21, 2026
    • First seen by Releasebot:
      Jan 9, 2026
    • Modified by Releasebot:
      Feb 4, 2026

    Microsoft 365 by Microsoft

    Version 2512: January 21

    Version 2512 (Build 19530.20184)

    • Various fixes to functionality and performance.
    Original source Report a problem
  • Nov 20, 2025
    • Date parsed from source:
      Nov 20, 2025
    • First seen by Releasebot:
      Dec 12, 2025

    Microsoft 365 by Microsoft

    Version 2510: November 20

    Version 2510 (Build 19328.20244)

    Original source Report a problem
  • Nov 20, 2025
    • Date parsed from source:
      Nov 20, 2025
    • First seen by Releasebot:
      Nov 21, 2025
    • Modified by Releasebot:
      Dec 4, 2025

    Microsoft 365 by Microsoft

    Version 2510: November 20

    Version 2510 (Build 19328.20244)

    Resolved issues

    Outlook

    • We fixed an issue that caused users to see "Contacting the server for information" repeatedly when loading some emails.
    Original source Report a problem
  • Nov 18, 2025
    • Date parsed from source:
      Nov 18, 2025
    • First seen by Releasebot:
      Nov 19, 2025

    Microsoft 365 by Microsoft

    Version 2510: November 18

    Version 2510 (Build 19328.20232)

    • Various fixes to functionality and performance.
    Original source Report a problem
  • Nov 4, 2025
    • Date parsed from source:
      Nov 4, 2025
    • First seen by Releasebot:
      Nov 5, 2025
    • Modified by Releasebot:
      Dec 4, 2025

    Microsoft 365 by Microsoft

    Version 2510: November 04

    Version 2510 (Build 19328.20178)

    Resolved issues

    Outlook

    • We fixed an issue where @mention searches produced no results in Office apps.
    Original source Report a problem
  • Oct 30, 2025
    • Date parsed from source:
      Oct 30, 2025
    • First seen by Releasebot:
      Oct 31, 2025

    Microsoft 365 by Microsoft

    Version 2510: October 30

    Version 2510 (Build 19328.20158)

    Feature updates

    • Excel

      • New Get Data dialog in Excel for Windows: Discover a new way to connect to data! The Get Data dialog in Excel for Windows makes finding and using external data sources faster, smarter, and more intuitive.

    • Insights Services

      • Analyze Data is now found in the Data tab: Continue getting insights from Analyze Data from the Data tab in the ribbon.

    Resolved issues

    • Outlook
      • We fixed an issue that prevented users from downloading web add-ins in some virtualized environments.
    Original source Report a problem

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