Microsoft 365 Announcements
Exchange Online Introduce External Recipient Rate Limit – Effective Oct. 1, 2026
October 29, 2025
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 …
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Enabling Microsoft 365 Idle Session Timeout
October 24, 2025
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 …
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Microsoft Publisher retirement in October 2026
October 15, 2025
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 …
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Microsoft Windows 10 End of Life Oct. 14, 2025
October 14, 2025
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 …
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Project Online retiring September 30, 2026
October 9, 2025
Date: October 9, 2025 To: InfoTech-L From: Enterprise Applications & Solutions Integration Re: Project Online retiring September 30, 2026 Dear colleagues, Microsoft has officially announced that Project Online will retire on September …
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Microsoft Whiteboard: Azure to OneDrive migration
October 7, 2025
Date: October 7, 2025 To: InfoTech-L From: Enterprise Applications & Solutions Integration Re: Microsoft Whiteboard: Azure to OneDrive migration Dear colleagues, Microsoft Whiteboard storage is being migrated from Azure to …
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New file protection in Teams chat and channels blocks unsafe content
October 3, 2025
Date: October 3, 2025 To: M365 Announcements EASI Site From: Enterprise Applications & Solutions Integration Re: New file protection in Teams chat and channels blocks unsafe content Dear colleagues, Microsoft …
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Action required: Update firewall configurations for new Intune network endpoints
Date: October 3, 2025 To: M365 Announcements EASI Site From: Enterprise Applications & Solutions Integration Re: Action required: Update firewall configurations for new Intune network endpoints Dear colleagues, Starting December …
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Retirement of Outlook Lite app
October 2, 2025
Date: October 2, 2025 To: M365 Announcements EASI Site From: Enterprise Applications & Solutions Integration Re: Retirement of Outlook Lite app Dear colleagues, The Outlook Lite app will be retired …
Reminder – Support for Office 2016, Office 2019, and additional apps will end on October 14, 2025
Date: October 2, 2025 To: InfoTech-L From: Enterprise Applications & Solutions Integration Re: Reminder – Support for Office 2016, Office 2019, and additional apps will end on October 14, 2025 Dear colleagues, …