How to Import PST File in Outlook?

To import a PST file into Outlook, you can do it manually via the Outlook interface or automate it using PowerShell (with Outlook installed). Here's both ways:

Manual Method: Import PST into Outlook

1. Open Outlook.

2. Click on File > Open & Export > Import/Export.

3. Choose Import from another program or file > Click Next.

4. Select Outlook Data File (.pst) > Click Next.

5. Browse to the PST file location.

6. Choose your preferred option for duplicates:

   • Replace duplicates with items imported

   • Allow duplicates

   • Do not import duplicates

7. Choose the folder to import from (usually the top mailbox root).

8. Select Include subfolders and choose where to import:

   • Import into the current folder

   • Import into the same folder in a selected account

9. Click Finish.

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