Date: November 4, 2025
To: EITU, MTAC, InfoTech-L
From: Enterprise Applications & Solutions Integration
Re: Update Power Automate trigger URLs by November 30, 2025  Dear colleagues, Microsoft is changing how certain Power Automate workflows start. If you are a Power Automate user and your workflow begins when it receives a web request ...

Date: October 29, 2025
To: EITU, MTAC, InfoTech-L
From: Enterprise Applications & Solutions Integration
Re: Exchange Online Introduce External Recipient Rate Limit – Effective Oct. 1, 2026  Dear colleagues,  Microsoft has announced the rollout of the External Recipient Rate Limit (ERR) for Exchange Online. This feature is designed to limit the number of ...

Date: October 24, 2025
To: ACE-IT, EITU, InfoTech-L, Tri-campus Service Desk Heads, EASI Site
From: Enterprise Applications & Solutions Integration
Re: Enabling Microsoft 365 Idle Session Timeout  Dear colleagues,  As part of our ongoing efforts to enhance the security of our Microsoft 365 environment, we will be enabling the Idle Session Timeout ...

Date: October 15, 2025
To: InfoTech-L
From: Enterprise Applications & Solutions Integration
Re: Microsoft Publisher retirement in October 2026 Dear colleagues, Microsoft has announced that Microsoft Publisher will reach end of life in October 2026. After that time, Publisher will no longer be included in Microsoft 365 or supported in on-premises Office suites.  ...

Microsoft has officially ended support for Windows 10 as of October 14, 2025. Devices running this OS after this date will expose the university to security risks. U of T community members with Windows 10 devices are urged to contact their local IT teams to discuss options and next steps ...