Reminder: Office LTSC 2021 End of Support on October 13, 2026

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

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