How to manage .pst files in Microsoft Outlook - Outlook ...
https://docs.microsoft.com/en-us/outlook/troubleshoot/data-files/how-to-manage-pst-files
If your .pst file was created in Outlook 2007, select Office Outlook Personal Folders File (.pst). If your .pst file was created in an older version of Outlook, such as Outlook 97, 2000, or XP, select Outlook 97-2002 Personal Folders File (.pst). Locate the desired .pst file that you found during your search. Select the .pst file, and then ...
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