If Outlook is still not opening, move on to the next method. Once the repair process is complete, try to launch and open Outlook. Follow the instructions on your screen to complete the MS Office repair process.From ‘Change your installation’ dialog box, select Repair and then hit Continue.When ‘How would you like to repair your Office programs’ window pops-up, choose Online Repair and then select Repair.However, the steps will vary depending on whether you’ve Click-to-Run or MSI-based Office installation type.įor Click-to-Run installation type, do the following: