The PST format is a type of Personal File Format (PFF). Two other types of PFF file include the Personal Address Book (PAB) for storing contacts and the Offline Storage Table (OST), which stores offline email, calendars, and tasks. By default, Outlook stores cached email information in 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 |
C:\Documents and Settings\USERPROFILE%\Local Settings\Application Data\Microsoft\Outlook |
|
Windows Vista/7/8 |
Outlook 2007 |
C:\Users\%USERPROFILE%\AppData\Local\Microsoft\Outlook |
|
Windows XP |
Outlook 2010 |
C:Documents and Settings\%USERPROFILE%\My Documents\Outlook Files |
|
Windows Vista/7/8 |
Outlook 2010/2013 |
C:\Users\%USERPROFILE... |
