Recent changes to Office 365 tenants to be FedRAMP-compliant is causing problems for some users with personal and government email accounts in the Outlook apps for Android and iOS.
Find Users with Send On Behalf Permission
Use PowerShell to create a list of mailboxes with Send as permissions assigned.
Prevent Users from Forwarding Mail to Internet Addresses
The problem: when users leave the company, they create server side rules to forward their mail to an outside address. An administrator wanted to know if there was a way to clear rules in Outlook or with a PowerShell command. Yes, you can use PowerShell to check for and remove forwarding rules. Use the first
Moving an Exchange Offline Data File (*.ost)
How to move an Outlook offline data file (.ost) typically used by Exchange servers, but also used by IMAP accounts with Outlook 2013 and up.
Add Additional Addresses to Room Mailboxes
How to add additional email addresses to Exchange mailboxes.
View Shared Calendar Category Colors
How to share category colors on appointments that are in a shared calendars.
Attachments are deleted from plain text messages after the January 9 2018 Update (Fixed)
Outlook 2016: Attachments are deleted from plain text messages after the January 9 2018 Security Update.
Bulk Add Addresses to Safe and Blocked Senders Lists
An administrator wanted to know if he could set up global safe and blocked lists for distribution to his users. There two options: add domains and addresses to the safe or blocked lists in Exchange admin center or to Outlook using powershell.
Prevent Distribution Group Expansion
How to create a distribution group that cannot be expanded.
Sharing a Secondary Calendar
How to share a secondary calendar in an Exchange mailbox using Outlook desktop or Outlook on the web.