WINMAIL.DAT

Exchange online verstuurd soms Winmail.dat als bijlage.

Open powershell als Admin

Import-PSSession $Session
Get-RemoteDomain Default | fl
Set-RemoteDomain Default -TNEFEnabled $false
Remove-PSSession $Session

bron: https://gcits.com/knowledge-base/how-to-fix-the-winmail-dat-attachment-issue/ https://www.tachytelic.net/2018/12/connect-office-365-powershell/

Meer info: http://www.slipstick.com/problems/outlook-is-sending-winmail-dat-attachments/