PST File

What are PST files and how to open them

Are you having problems opening a PST file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PST file?

PST files have multiple uses, and Microsoft OutLook Personal Storage is one of them. Read more about the other uses further down the page.

Microsoft OutLook Personal Storage file

This type of .pst file holds personal information that is used by the Outlook and Exchange email programs from Microsoft.

The PST files are used to store information that pertains to the e-mail folders, addresses, contact information, email messages, and other data that is saved within these applications. In other words, a PST file contains a user's entire email archive and address book.

How to open PST files

We have identified three PST openers that are compatible with this specific type of PST file.

Programs that open Microsoft OutLook Personal Storage files

Last updated: March 10, 2023

All known file formats using extension .PST

While Microsoft OutLook Personal Storage file is a popular type of PST-file, we know of 4 different uses of the .PST file extension. Different software may use files with the same extension for different types of data.

LightWave 3D Preset

We know that one PST format is LightWave 3D Preset. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Ulead Pattern Image

We know that one PST format is Ulead Pattern Image. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Yamaha Pianist (Solo Piano) Style

We know that one PST format is Yamaha Pianist (Solo Piano) Style. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about PST file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.