File Location Windows 11 Link | Outlook Pst

Once you find it, copy that file to an external hard drive or a safe cloud folder (with Outlook closed) to ensure you never lose a year's worth of emails. Do you use POP3 or IMAP? Let us know in the comments if you need help converting an OST to a PST for backup purposes.

If you use Microsoft Outlook (from Microsoft 365, Office 2019, 2021, or 2024), all your emails, contacts, calendar events, and tasks are likely stored in a single file with a .pst extension (Personal Storage Table). outlook pst file location windows 11