Outlook 2016: Attachments are deleted from plain text messages after the January 9 2018 Security Update.
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.
The End of Life for Exchange server 2007 is April 11, 2017. Organizations still using Exchange 2007 should be working on a migration plan to Office 365 or Exchange 2016.
How to create a distribution group that cannot be expanded.
How to share a secondary calendar in an Exchange mailbox using Outlook desktop or Outlook on the web.
Fixed: Public folder favorites weren't syncing in Outlook 2016.
Use Retention Tags to archive messages, then delete them from the archive at a later date.
Monitor employees suspected of sending confidential information and/or attachments outside the domain & then constantly purging deleted items recovery.
If you're using batch migration or serial migration to migrate public folders from Exchange Server 2007 or 2010 to Exchange Server 2013, 2016, or Exchange Online, data loss may occur if all of your folders' replicas aren't on the primary database (the primary database server which the migration service connects to).
The Spring 2016 quarterly updates for Exchange Server are now available on the Microsoft Download Center.