.PST File Description

The .PST file extension stands for "Personal STore" and is used to store your personal email. PST files are actually database files containing your email, calendar, contacts and more and are used by Microsoft Office's Outlook application.

Other Information For .PST File Extension

• Company:

  Microsoft Corporation.

• File Type:

  Microsoft Outlook Express Personal Folder File

• Identifying Characters (Hex):

  21 42 44 4E

• Identifying Characters (ASCII):

  !BDN