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What is PST file and how to find PST file in the system

PST is a short for "Personal Storage Table". It is an open proprietary file format used to store copies of your messages, calendar events, and other items stored in your Microsoft software such as Microsoft Exchange Client, Windows Messaging, and Microsoft Outlook. The open format is controlled by Microsoft who provides free specifications and free irrevocable technology licensing. The file format is also known as:

  • Personal Folder File
  • Off-line Storage Table (.ost)
  • Off-line Folder File
  • Personal Address Book (.pab)

Microsoft Outlook automatically stores messages, contacts, appointments, tasks, notes, and journal entries in one of the following two locations:

  • You can store in a personal storage folder, also known as ".pst" file on your hard disk.
  • You can also locate it in mailbox on the server. Your mailbox is located on a server if you use Outlook with Microsoft Exchange Server.

You can use a backup of your .pst file to restore or move your Outlook data to another computer if you face any problem like hardware failure, lose data unexpectedly, have to transfer data from one computer to another computer, or have to transfer data from one hard disk drive to another hard disk drive.

How to find .pst file?
It is very easy to find .pst file in your system. You can easily find it within few clicks. There are two ways to find your .pst files.


  • Step1 - Open my computer.
  • Step2 - Click on Search box.
  • Step3 - Type *.pst, and then press ENTER or click Find Now. Locate the desired .pst file you want to add to Outlook. Record the location of the .pst file.
  • Step4 - Close the search window and start Outlook. Click on the File menu, and then select Data File Management.
  • Step5 - Click on the Add button, and then choose the correct type of .pst file to add.
  • Step6 - Navigate to the location of the desired .pst file that you found during your search above. Select the .pst file and click OK.


  • Step1 - Go to Control Panel.
  • Step2 - Click on Mail icon in control panel.
  • Step3 - If your Outlook ID is not configured then configure it. Else, click on Data Files.
  • Step4 - Once you click on Data Files then a pop-up will appear. Pop-up name "Account Setting".
  • Step5 - Find the location in that pop-up and configure it in your Outlook.
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