Office.com/myaccount - Use the rebuilt service to repair the corrupt database on your MacBook device. Below are the instructions which will help you do so: www.office.com/myaccount
Shutdown all the MS Office applications like MS Office, Excel, etc.
Press long on the ‘Option’ key and click on ‘Outlook’ and the ‘Microsoft Database Utility’ will be open.
Select the database identity you wish to reconstruct.
Hit the button of ‘Rebuild’.
Once the process is completed, restart your MacBook and open Outlook.
