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

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

You might have stored Outlook items in an Outlook Data File (.pst) that you created in classic Outlook. If you want to open or close a .pst file, you now can do that in a few simple steps from either new …

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

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.

Moving a .pst file from one computer to another doesn't transfer your email account settings. If you need to set up Outlook on a new computer, copy your .pst file from the old computer, then set up your …

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.

When you add a POP3 email account to Outlook or create archives or backup files from any of your accounts in Outlook, an Outlook Data File (.pst) may be created within your OneDrive.

Following are the main problems customers encounter when they import a .pst file to Outlook.

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.