Clean Microsoft Outlook

article #1121, updated 841 days ago

Outlook has many command line options. Several of them do various forms of cleanup, and this can help Outlook performance a lot. To do them all (as of Outlook 2013 and 2016):

  1. Create C:\CLEANOUTLOOK.CMD containing the below:
"outlook.exe" ^ 
/cleanconvongoingactions ^
/cleandmrecords ^
/cleanips ^
/cleanmailtipcache ^
/cleanreminders ^
/cleanroamedprefs ^
/cleansniff
  1. Find a working Outlook shortcut, do a Shift-Rightclick on it, and choose “Open file location”
  2. Copy that path (e.g., C:\Program Files\Microsoft Office\root\Office16), paste it into a non-administrative CMD after CD, to get the CMD into that folder
  3. Enter C:\CLEANOUTLOOK.CMD

Done!

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