Offline Storage Table (OST) file is the local cache that Outlook creates when you add or sign in using an IMAP, Microsoft 365, Exchange, or Outlook.com email account. It is a database format used by ...

Some Microsoft Outlook users have reported getting the Your Outlook data file cannot be configured error on their PC. This error occurs when trying to open Outlook ...

Microsoft Outlook has features to make emailing easier and faster. However, several people have reported some troubles when using it. If you find it difficult accessing your personal data file, you ...

When Outlook has problems opening or items are missing from your inbox, you can use these steps to troubleshoot and fix issues with the data files. When you purchase through links on our site, we may ...