PSA: Tomorrow, Exchange 2019 & 2016 reach End-of-Life bit.ly/ETOEx20162019E…

ICYMI: Happy Patch Tuesday! Security Updates Exchange 2016-2019 & SE for October 2025 are here eightwone.com/2025/10/14/exc… #MSExchange

PSA: Tomorrow, Exchange Online will start throttling MOERA domains bit.ly/MoeraThrottling

PSA: Tomorrow, AzureAD & AzureAD Preview modules retire bit.ly/AADModuleRetire

PSA: Today, Exchange Online will start throttling MOERA domains bit.ly/MoeraThrottling

PSA: Today, AzureAD & AzureAD Preview modules retire bit.ly/AADModuleRetire

PSA: In 1 week, Nested app auth & legacy EXO tokens start getting turned off xf.ms/NAAoff

PSA: Using a different URL shortener per recently, using xf.ms (transfer) domain; bit.ly started inserting preview pages with ads during redirection, so goodbye.

PSA: In 1 week, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats xf.ms/HybridAppReq

ICYMI: Microsoft Authenticator for iOS + Android will detect, prevent, then wipe Entra creds on rooted devices (MC1179154). • Phase 1 (warn mode) begins February '26 • followed by Phase 2 (block mode) • then Phase 3 (wipes Entra creds) • expected to be completed ~April '26

PSA: Tomorrow, Nested app auth & legacy EXO tokens start getting turned off xf.ms/NAAoff

.Office 365 Revised licensing terms for Microsoft Defender for #Office365 means that it's no longer required to have MDO P2 licenses for every user and shared mailbox - unless those mailboxes benefit from MDO. All explained here: office365itpros.com/2025/10/31/mdo… #Microsoft365

PSA: Today, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats xf.ms/HybridAppReq

Office 365 for IT Pros November 2025 Update office365itpros.com/2025/11/03/off… #Microsoft365 #SharePoint #OneDrive #MicrosoftTeams #Microsoft365Copilot #PowerPlatform #PowerShell #MicrosoftSecurity #MVPBuzz

PSA: In 1 week, Exchange Online auto-archving will be enabled for targeted release tenants xf.ms/EXOAutoArch

PSA: Tomorrow, Exchange Online auto-archving will be enabled for targeted release tenants xf.ms/EXOAutoArch

PSA: Today, Exchange Online auto-archving will be enabled for targeted release tenants xf.ms/EXOAutoArch

PSA: In 1 month, Exchange Online Set/Get-Contact will be deprecated xf.ms/EXOContactUpd

.. what does it mean? 🤔

PSA: Exchange Online Admin API (EWS replacement subset) now available (preview). REST-like alternative for some EWS scenarios, but not full REST replacement; cmdlets still recommended for full functionality techcommunity.microsoft.com/blog/exchange/… #MSExchange #EWS