Introduction to Outlook Data Files (.pst and .ost)
Outlook Data Files (.pst) are typically saved on your computer in the Documents\Outlook Files folder. Tip: If your Outlook Data File (.pst) becomes large it can slow down your OneDrive sync and may show "Processing changes" or "A file is in use".
Open and find items in an Outlook Data File (.pst)
If you use a POP or IMAP account, then all of your Outlook information is stored in an Outlook data file, also known as a Personal Storage Table (.pst) file. By default, when you use classic Outlook's search tools, Outlook only searches the current mailbox.
Open and close Outlook Data Files (.pst) - Microsoft Support
If you're not sure where your Outlook data file is located, see Locating the Outlook data files. Select the Outlook Data File (.pst), and then select Open . Once you open the Outlook Data File (.pst), the file will appear in your folder pane.
Find and transfer Outlook data files from one computer to another
The location of your .pst file depends on your version of Outlook, your version of Windows, and how you set up your account or created the .pst file. You can find your .pst file in one of the following locations: Windows 10 drive:\Users\<username>\Documents\Outlook Files. Windows 11 drive:\Users\<username>\Documents\Outlook Files
Open and find items in an Outlook Data File (.pst)
If you use a POP or IMAP account, then all of your Outlook information is stored in an Outlook data file, also known as a Personal Storage Table (.pst) file. By default, when you use classic Outlook's search tools, Outlook only searches the current mailbox.
Create an Outlook Data File (.pst) to save your information
If your online mailbox is nearly full, you can export some items to an Outlook Data File (.pst). You can also use these files to create archives, project files, or backups from any Outlook account. To learn how, see Export or backup email, contacts, and calendar to an Outlook .pst file .
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
Repair an Outlook data file (.pst) file. Exit Outlook and browse to one of the following file locations: Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office16. Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16. Open SCANPST.EXE. Select …
Export emails, contacts, and calendar items to Outlook using a .pst …
Click Outlook Data File (.pst) > Next. Select the name of the email account to export, as shown in the picture below. Only information for one account can be exported at a time.
Import email, contacts, and calendar from an Outlook .pst file
Steps: Import Outlook items from a .pst file in Outlook for PC. These instructions assume you've already exported your Outlook email, contacts, and calendar from another instance of Outlook, and now you want to import them to Outlook. At the top of your Outlook ribbon, select File.
How to remove an Outlook .pst data file from OneDrive
Open File Explorer and browse to C:\Users\[username]\OneDrive\Documents\Outlook Files. Note: If the .pst file is not here, open Outlook, right-click the account which has the .pst you wish to move, and select Data File Properties > Advanced to see the full path of the filename.