Open and close Outlook Data Files (.pst) that contain copies, archives, or backups of your Outlook information.

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

Import all of your Outlook email, contacts, or calendar events that you saved to a .pst so you can view them in Outlook.

Jan 13, 2026 · After Windows updates on January 13, 2026 users with Outlook POP account profiles and profiles with PST files report that Outlook hangs and does not exit properly.

If you want to back up the message folders locally (in addition to keeping them on the server), you can automatically move or delete older items with AutoArchive or export the items to a .pst file that you …

Outlook Data File (.pst) support in new Outlook provides access to emails stored in a .pst file. You can browse, manage, and move emails (drag and drop) between .pst files and mailboxes.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

In Outlook, go to File > Open & Export > Import/Export > Import from another program or file > Outlook Data File (.pst) > Next. Select Replace duplicates with items exported, browse and select a location …

Your Outlook mailbox is only so big, and it’s a good bet that you won’t stop getting email anytime soon. To keep it from filling up, you can move old items you want to keep to an archive, a separate Outlook …