My Outlook with 2.34 GB data is back!!!
by John-coffee
http://answers.microsoft.com/en-us/mac/forum/macofficepreview-macoutlook/new-outlook-158-crashingnot-showing-its-main/cc300175-8513-4af0-a8fe-93140d773db6?page=31. You can find the 3 folders Outlook 15.8 uses here: ~/library/Group Containers
2. inside Group containers all important folders start with "UBF8......."
3. inside UBF8T346G9.Office you can find a folder called 'Outlook'
4. The complete Outlook folder needs to be moved to your desktop.
5. Delete the 3 "UBF8...." folders inside Group Containers
6. Restart Outlook 15.8, so the 3 folders will be created again
7. Quit 15.8
8. Move the Outlook folder back where you copied it from. (The newly created Outlook folder will be overwritten again.
9. Start Outlook 15.8