Michel de Rooij
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eightwone.com
Michel de Rooij
@eightwone.com
Microsoft MVP | Author | Speaker
#MSExchange #EntraID #PowerShell #MSGraph
Reposted by Michel de Rooij
Happy New Year to all. We've just released monthly update #127 for the #Office365 for IT Pros eBook. Current subscribers can download the new EPUB and PDF files now. Have fun and success with #Microsoft365 in 2026!
office365itpros.com/2026/01/01/o...
January 2026 Update for Office 365 for IT Pros
Monthly Update #127 for the Office 365 for IT Pros eBook (2026 edition) is now available for current subscribers to download from Gumroad.com.
office365itpros.com
January 1, 2026 at 10:38 AM
PSA: In 3 months, Exchange Online starts rollout of enforcing Mailbox External Recipient Rate Limit https://xf.ms/EXOERR
January 1, 2026 at 9:00 AM
PSA: In 1 year, Office Online Server will retire https://xf.ms/OOSretirement
December 31, 2025 at 9:05 AM
PSA: In 6 months, EWS block enforced for EXO mailboxes with Kiosk/Frontline SKUs https://xf.ms/NoEWSEnforced
December 31, 2025 at 9:05 AM
PSA: In 6 months, EWS block enforced for EXO mailboxes with Kiosk/Frontline SKUs https://xf.ms/NoEWSEnforced
December 30, 2025 at 9:05 AM
PSA: EWS block enforcement for Kiosk/Frontline SKUs has been moved back to the end of June xf.ms/NoEWSEnforced #MSExchange #Microsoft365
Update to EWS Access for Kiosk / Frontline Worker Licensed Users | Microsoft Community Hub
We wanted to provide an update on EWS access for Kiosk / Frontline Worker licensed users.  
xf.ms
December 15, 2025 at 9:49 PM
PSA: Today, EXO Set/Get-Contact will be deprecated for Contact mgt https://xf.ms/EXOContactUpd
December 15, 2025 at 9:00 AM
PSA: Tomorrow, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
December 14, 2025 at 9:05 AM
Also got a huge collection of event videos or slidedecks? Want to lower its footprint? I published 2 scripts to help with that by compressing and downscaling videos or media, now part of my Get-EventSession repo github.com/michelderooi... #PowerShell
GitHub - michelderooij/Get-EventSession: Script to assist in downloading Microsoft event contents or return session information.
Script to assist in downloading Microsoft event contents or return session information. - michelderooij/Get-EventSession
github.com
December 9, 2025 at 11:24 PM
PSA: In 1 week, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
December 8, 2025 at 9:00 AM
Planning on certifying over the holidays? Humble Bundle might have interesting offer (if you don't mind reading from PDF) - Exam Prep bundle including AI900, AZ900, AZ104, AZ500, SC100 a.o.
www.humblebundle.com/books/micros...
December 6, 2025 at 11:32 AM
Heads-up: EWS blockage for Exchange Online mailboxes with Kiosk/F1/F3 license, which officially do not offer EWS access, will be enforced March 2026 xf.ms/NoEWSEnforced #MSExchange
techcommunity.microsoft.com
December 2, 2025 at 8:51 PM
PSA: In 3 months, Exchange Online starts retiring SMTP AUTH w/BasicAuth https://xf.ms/SmtpAuthRetire
December 1, 2025 at 9:05 AM
Reposted by Michel de Rooij
Here's the Black Friday discount code to get 50% off the Office 365 for IT Pros eBook (including the Automating #Microsoft365 with #PowerShell eBook). Code terminates on Tuesday. If you're running a Microsoft 365 tenant, you need this book: o365itpros.gumroad.com/l/O365IT/Bla...
Office 365 for IT Pros (2026 Edition). The Ultimate Guide to Managing Microsoft 365. (Includes the Automating Microsoft 365 with PowerShell eBook)
The Ultimate Guide to Planning, Deploying, and Managing the Microsoft 365 Cloud Productivity EcosystemWhy buy separate books to learn about Microsoft 365, SharePoint Online, Exchange Online, OneDrive ...
o365itpros.gumroad.com
November 28, 2025 at 9:27 AM
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/exchang... #MSExchange #EWS
Announcing Public Preview: Exchange Online Admin API | Microsoft Community Hub
We are announcing the Public Preview of the Exchange Online Admin API.  
techcommunity.microsoft.com
November 17, 2025 at 3:41 PM
.. what does it mean? 🤔
November 17, 2025 at 9:37 AM
PSA: Today, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 15, 2025 at 9:00 AM
PSA: In 1 month, Exchange Online Set/Get-Contact will be deprecated https://xf.ms/EXOContactUpd
November 15, 2025 at 9:00 AM
PSA: Tomorrow, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 14, 2025 at 9:01 AM
PSA: In 1 week, Exchange Online auto-archving will be enabled for targeted release tenants https://xf.ms/EXOAutoArch
November 8, 2025 at 9:05 AM
PSA: Today, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
November 1, 2025 at 9:05 AM
PSA: Tomorrow, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
October 31, 2025 at 4:01 PM
PSA: Today, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
October 31, 2025 at 4:00 PM
PSA: Tomorrow, Nested app auth & legacy EXO tokens start getting turned off https://xf.ms/NAAoff
October 30, 2025 at 4:00 PM
PSA: In 1 week, Exchange Hybrid requires dedicated Hybrid App for cross-prem feats https://xf.ms/HybridAppReq
October 25, 2025 at 4:00 PM