Microsoft 365 Announcements

Retirement of Visio Data Visualizer Add-in for Excel

Date: December 2, 2025
To: Infotech-L, EASI Site M365 Announcements
From: Enterprise Applications & Solutions Integration
Re: Retirement of Visio Data Visualizer Add-in for Excel  Dear colleagues, Microsoft will retire the Visio Data Visualizer add-in for Excel. This change affects the ability to create and maintain data-linked diagrams in Excel using ...

Microsoft PowerPoint: Retirement of the Reuse Slides Feature Starting 2026

Date: December 2, 2025
To: EASI Site M365 Announcements
From: Enterprise Applications & Solutions Integration
Re: Microsoft PowerPoint: Retirement of the Reuse Slides and Editor Pane Feature Starting 2026 Dear colleagues,  Microsoft has announced the retirement of the Reuse Slides feature in PowerPoint for Windows and Mac desktop applications. This feature ...

Prepare for Office LTSC 2021 End of Support Next Year

Date: November 25, 2025
To: EITU, MTAC, InfoTech-L, Service Desk Heads
From: Enterprise Applications & Solutions Integration
Re: Prepare for Office LTSC 2021 End of Support Next Year  Dear colleagues, As previously communicated, support for Microsoft Office 2016 and Microsoft Office 2019 ended on October 14, 2025. Looking ahead, support ...

Update Power Automate trigger URLs by November 30, 2025 

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 ...

Exchange Online Introduce External Recipient Rate Limit – Effective Oct. 1, 2026

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 ...