Exchange Online

Our Sponsors


Datacenter networking servers

Microsoft to Retire Client Access Rules Support in Exchange Online in 2023

Microsoft is getting ready to end support for Client Access...

Sep 28, 2022 | Rabia Noureen

M365 Changelog: (Updated) block delegates or shared mailbox members from accessing protected messages in Outlook

MC389620 — Updated September 28, 2022: Microsoft has updated the...

Sep 28, 2022 | Rabia Noureen

Microsoft Reveals Attackers Used Malicious OAuth Apps to Hack Exchange Online

Microsoft has unveiled a recent cybersecurity attack that allowed the...

Sep 27, 2022 | Rabia Noureen

M365 Changelog: (Updated) Upcoming behavior change to the "DoNotRewrite" List

MC373889 – Updated September 20, 2022: Based on learnings from...

Sep 20, 2022 | Rabia Noureen

Petri Newsletters

Whether it’s Security or Cloud Computing, we have the know-how for you. Sign up for our newsletters here.

Thank you to our site sponsors

Our sponsors help us keep our knowledge base free.

Article saved!

Access saved content from your profile page. View Saved