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PST File Extension

PST file extension is created by Microsoft, also known as Outlook Personal Information Store File. PST has been classified as Data Files. This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open PST files in Microsoft PST Import Tool for Entourage program.



Outlook Personal Information Store File Type

Outlook Personal Information Store File Type
Extension .pst
Developer Microsoft
Popularity 5.0 (1153 Votes)
Mime Type text/x-pascal
Default Program Microsoft PST Import Tool for Entourage
Category Data Files
Format Binary
Updated 12/1/2024

What is a PST File Type?

PST has a limit of 2GB and will slow Outlook down when the file is close to the limit. Microsoft provides a program called Exchange 2000 Tool: PST2GB that reduces the size of a PST file. However, the utility can truncate the file, which means that some data will be lost, so make sure to save d' first the file PST.

Unlike the full version of Outlook, Outlook Express does not use PST files. Outlook Express can, however, import TVP data at the click of the Import function. Mac users can use the PST Import Tool for Entourage tool to import PST data into Entourage or the PST to MBOX converter to convert PST files to .MBOX files.



Free online PST Tools & Apps

We have also the free online .PST (Outlook Personal Information Store File) file extension apps that can allow to view, edit, convert from to PST, merge, split and compare the PST files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



PST Files Common Issues

There are few common issues with the Outlook Personal Information Store File .PST File Extensions while opening the .PST files on Windows and MacOs, we have solution to those issues such as:

Can't Open PST Files?

  1. You must have supported software programs installed for Outlook Personal Information Store File on your system such as Microsoft PST Import Tool for Entourage.
  2. Associate default Microsoft Microsoft PST Import Tool for Entourage program for *.pst (Outlook Personal Information Store File) files.

    Associate PST Default Program on Windows
    1. Right-click a *.PST (e.g example.pst) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft PST Import Tool for Entourage program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .pst files.

    Associate PST Default Program on MacOs
    1. Click *.PST (e.g example.pst) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft PST Import Tool for Entourage program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft PST Import Tool for Entourage extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related PST File Extensions

PST default file extension is .PST and other similer related extensions are:



All Platform Software Programs for PST File Extension

List of all softwares that can open the PST files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open PST File on Windows

Software License Developer
Aspose Aspose.Total for .NET image. Aspose Aspose.Total for .NET 16.3.0 for Windows Commercial Aspose
Microsoft Exchange Server image. Microsoft Exchange Server 2013 for Windows Commercial Microsoft
Microsoft Outlook image. Microsoft Outlook 365 for Windows Commercial Microsoft
Microsoft Outlook Express image. Microsoft Outlook Express 6 for Windows Bundled Microsoft
PS2 Save Builder image. PS2 Save Builder 000 for Windows Free PS2 Save Builder

MacOs logo image - FileProInfo.comOpen PST File on Mac OS

Software License Developer
Microsoft Outlook image. Microsoft Outlook 365 for MacOs Commercial Microsoft
Microsoft Outlook Express image. Microsoft Outlook Express 6 for MacOs Bundled Microsoft
Microsoft PST Import Tool for Entourage image. Microsoft PST Import Tool for Entourage 000 for MacOs Free Microsoft

Linux logo image - FileProInfo.comOpen PST file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen PST file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen PST file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen PST file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

PST file extension icon image.About PST - Outlook Personal Information Store File

FileProInfo is to help you understand about the Outlook Personal Information Store File with *.PST suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for PST. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for PST, please let us know.

Updated 12/1/2024


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