Mac OS X Office 365

Microsoft Outlook for Mac 15.x activation error -805240834

I just installed an EFI update on my Apple Mac and figured out, that Outlook for Mac 15 wasn’t activated anymore. I simply tried to reactivate Outlook so I started the activation wizard, entered my email address and password… but there was an error:

After a little search via google I found the solution – you have to run these commands in the Terminal application:

killall "Office365ServiceV2"
sudo killall "Office365ServiceV2”"
cd ~/Library/Group Containers/UBF8T346G9.Office
ls -a | perl -n -e 'print if m/^[e|c]w/' | xargs rm
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