Support for Office LTSC 2021, and additional apps will end on October 13, 2026 [MC1278920]

Message ID: MC1278920

As previously communicated, support for Office LTSC 2021 will end on October 13, 2026. After that date, no further updates, security fixes, or technical support will be available for this version of Office. While the applications may continue to function, using unsupported software could lead to potential security risks, compliance risks, system incompatibilities, and other issues.

Support for Visio LTSC 2021 and Microsoft Project LTSC 2021 and several other products will also end on October 13, 2026. Organizations using these products should upgrade as soon as possible to maintain security, compliance, and performance.

[How this will affect your organization:]

After end of support, Office LTSC 2021 suites and standalones will no longer receive security updates or other fixes, and no technical assistance will be available for devices still running them. Continuing to use unsupported software can expose your organization to security and compliance risks and may impact service reliability and performance.

[What you need to do to prepare:]

To mitigate these risks while maintaining access to desktop Office apps, we recommend upgrading devices to a Microsoft 365 or Office 365 suite that includes Microsoft 365 Apps (for enterprise or for business). Microsoft 365 Apps provides always-up-to-date versions of familiar apps like Word, Excel, and PowerPoint for desktop, mobile, and web with continuous support under the Modern Lifecycle Policy and is eligible for use with the Microsoft 365 Copilot add-on.

• Enterprises should look to Microsoft 365 E3, Office 365 E3, or Microsoft 365 Apps for enterprise. 
• Organizations with fewer than 300 users should look to Microsoft 365 Business Premium, Microsoft 365 Business Standard, or Microsoft 365 Apps for business.

For scenarios that require a fully disconnected solution, we recommend upgrading to Office LTSC 2024. Office LTSC 2024 includes a subset of the value in Microsoft 365 Apps and will be supported until October 2029 under the Fixed Lifecycle Policy.

Take steps to prepare for this transition with the following resources:

• Read the upgrade guidance for an overview of how to move from Office LTSC 2021 to Microsoft 365 Apps.
• Consider engaging Microsoft FastTrack, a Microsoft support service, for moving to Microsoft 365.

Plan ahead to avoid potential disruptions and keep your organization’s software environment secure and up to date.

Source: Microsoft

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