Date: September 15, 2026
To: InfoTech-L, EASI website
From: Enterprise Applications & Solutions Integration
Re: Reminder: Office LTSC 2021 End of Support on October 13, 2026
To: InfoTech-L, EASI website
From: Enterprise Applications & Solutions Integration
Re: Reminder: Office LTSC 2021 End of Support on October 13, 2026
Dear colleagues,
As communicated on November 25, 2025, support for Microsoft Office LTSC 2021 (Long-Term Servicing Channel) will end on October 13, 2026.
What is changing
-
- Office LTSC 2021 support ends October 13, 2026.
- After this date, Microsoft will no longer provide security updates, bug fixes or technical support.
Action required
-
- Review devices using Office LTSC 2021.
- Plan to upgrade before October 13, 2026. Options include:
- Microsoft 365 Apps.
- Office LTSC 2024 for devices that require an on-premises version of Office.
Timeline
-
- October 13, 2026: End of support for Office LTSC 2021.
Resources
If you have any further questions or concerns, please submit a ticket to the Enterprise Service Centre at (https://uoft.me/m365help).
Kind regards,
Enterprise Applications & Solutions Integration (EASI)
Information Technology Services, University of Toronto