Exchange Online

Change default send items behavior of Auto-mapped Shared Mailboxes

PowerShell script to export and import legacy Exchange x500 addresses (Manual)

Office 365 Set language and time zone for all users with PowerShell (Manual)

Update Exchange Online Global Address List (GAL)

How to re-enable inactive mailbox from litigation hold in exchange online using Power Shell(Manual)

Anti-Spoofing Exchange Online rule (Manual)