How to Fix Outlook Start-up Errors in Windows
If Outlook doesn’t open and you see an error, the data file may have been corrupted. Here’s how to fix it.
Deleting Old Data Files
A folder will open. Delete everything in here.
Empty the bin.
Creating New Data Files
If you don't see a dialog box, even after trying both commands, follow steps 1-8 in the indented section below.
If you do see a dialog box, follow steps 3-5 in the outdented section below.
If prompted to enter your Windows administrator password, please do so.
Note: You will need to run two commands in Command Prompt. It will take a while for these two commands to complete.
Follow the usual process of adding a new mailbox.
The fixes I have provided are not guaranteed to work successfully. The configuration or any limitations of your computer, network or the remote server could have an effect.
I am not liable for any data loss that may occur. Following these steps may cause data loss. This shouldn't happen as long as your emails can be pulled back down from the cloud correctly, which is usually the case.