Unlicensed Product and activation errors in Office | #office 365 sync problems and login fixes

A file freezes the file explorer every time I interact with it Microsoft Q&A | #connection status shows disconnected

How to Test Microsoft Exchange Server Connectivity Remotely | #fix Outlook Not Opening After Windows Update

Turn an add-in off for Outlook for Windows | #exchange connectivity diagnostic

Hotfix New user can't login Azure AD | #troubleshoot Office 365 Sync and Login Issues