Hi Readers, We recently had a requirement to remove old decommissioned domain email address from user mailboxes, so We have taken a cautious approach & written three scripts, that can be downloaded from below link. https://gallery.technet.microsoft.com/scriptcenter/Powershell-to-ADD-Remove-85adf04b ReportEmailAddress  –> Reporting the user mailboxes that have old email address RemoveEmailAddress –> Get input from the ReportEmailAddress AddemailAddress…