The Personal Storage Table, PST, format is a type of Personal File Format (PFF). The other two types include the Personal Address Book (PAB) for storing contacts and the Offline Storage Table (OST), which stores offline e-mail, calendar, and tasks. By default, Outlook stores cached e-mail information in the OST files, which can be found at the locations specified in the following table. Items in Outlook will be stored in a PST file if archived.
Windows version |
Outlook version |
OST location |
---|---|---|
Windows XP |
Outlook 2000/2003/2007 |
|
Windows Vista/7/8 |
Outlook 2007 |
|
Windows XP |
Outlook 2010 |
|
Windows Vista/7/8 |
Outlook 2010/2013 |
|