If the Outlook Inbox Repair Tool keeps popping up on your Windows 11/10 PC, disable conflicting add-ins, delete and rebuild ...

What data file types does Outlook support? While working with Outlook, you will encounter two data file types: OST and PST ... However, like any regular data file, it can become corrupted ...

Microsoft Outlook uses two file types for holding message, calendar, task and notes data: PST and OST files. PST files are created in the user's computer for non-Microsoft Exchange accounts ...