Repeat the same steps if you have more than one profile.

This will force the Spotlight to reindex it.

Thereafter adding the Main profile folder, select and then click the (-) icon to delete it.This will add the folder to the list of locations that Spotlight is prevented from searching. Now, drag the ‘ Main profile‘ folder to the privacy tab in system preferences using your Mouse or Trackpad.Leave it open, and then on Mac, click on System preferences > Spotlight. Open the profile folder called ‘ Main profile‘ inside. ~/Library/Group containers/UBF8T346G9.office/outlook/outlook 15 profiles/ Type the following pathname and click Go.On your Mac, in the finder, click Go in the menu bar and select the Go to folder option.When you are facing the problem of Outlook search not working on Mac, running the Outlook Search Repair utility may help fix search and spotlight indexing problems. To ease the update, you can also turn on Automatic Updates. If Outlook is downloaded from the Mac App Store, open the App Store and update the Outlook app. To update Outlook, open Outlook > Help menu > Check for updates.If any update is available, follow the onscreen instructions. To update your Mac, go to System Preferences > Software Update.If the problem of Outlook Search not working on Mac is still not solved, then follow these steps. You can restart your Mac by going to the Apple menu > Restart. Users can try the general solution by simply restarting their Mac.

Methods To Resolve The ‘Outlook Search Not Working On Mac’ Problem This article explains vividly to users what to do when the problem of Outlook search not working on Mac persists. In other cases, users get partial or no results when they try to find an email using the spotlight. Users have reported that their Outlook search is not responding and not working as expected.

Mac outlook repairing main profile