Microsoft has fixed a known issue affecting Outlook for Microsoft 365 users since June and causing slow starts and freezes as if Offline Outlook Data Files (OST) were syncing right after launch.

Microsoft Outlook is one of the most widely used email clients for businesses and professionals, but it isn’t immune to problems. When Outlook’s PST ...

If you can't add new email accounts to Outlook due to We could not create the Outlook data file error, use these fixes to successfully resolve the issue.

Instead, you have to visit Settings > General > Outlook Data Files. Once you know the corrupted file's location, we can launch an executable file, ScanPST, in the Microsoft Office folder.

Microsoft Office Outlook maintains everything in a data file, also called PST or OST file. It is an offline copy of mailbox data stored on a local PC. In case of issues, you must delete the data ...

If you receive the message above and find yourself either locked out of Outlook or looking at a blank account, then it usually means the Outlook PST file associated with your account needs to be ...