Connect to Exchange Online via Powershell & Allow File Types
##RUN POWERSHELL AS ADMINISTRATOR ##Use this when you need to make configuration changes to your Exchange environment that can't be done via the GUI ##Connect to Exchange Online via Powershell Set-ExecutionPolicy RemoteSigned $UserCredential = Get-Credential $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection Import-PSSession $Session ##How to Allow File Types to be opened in Exchange Online Get-OwaMailboxPolicy OwaMailboxPolicy-Default | Select -ExpandProperty BlockedFileTypes | Sort Get-OwaMailboxPolicy OwaMailboxPolicy-Default | Set-OwaMailboxPolicy -BlockedFileTypes @{Remove = ".xml"} Get-OwaMailboxPolicy OwaMailboxPolicy-Default | Set-OwaMailboxPolicy -AllowedFileTypes @{Add = ".xml"} Get-OwaMailboxPolicy OwaMailboxPolicy-Default | Set-OwaMailboxPolicy -BlockedMimeTypes @{Remove = "text/xml...