Having trouble opening .pst extension? Don't panic! This page explains what pst files are as well as suggests programs you may use to open pst files. You can download these programs through this page.
What is a PST file?
Pst file extension has Outlook Personal Information Store file type, developed by Microsoft, which is associated with the "data files" category.
Associated with Microsoft Outlook and Exchange, the file saves personal information, including contacts, e-mail folders, addresses, etc. Since the file has a limit of 2 GB, Outlook may slow down if the users exceeds the limit.
To access PST files on Mac, users can convert them into .MBOX files via the PST to MBOX Converter.
To learn how you can open the given file, read the information below.
- Developer:
- Microsoft
- File Type:
- Outlook Personal Information Store File
- Category:
- Data Files
- Format:
- Binary
How to open PST file?
Double click the pst file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .pst extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.
- Method 1: Fix file association errors
- Method 2: Download the appropriate software
- Method 3: Use universal file viewer
Method 1: Fix file association errors
Follow these steps in order to automatically fix the pst extension associations' problem in no time:
- Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
- Step 2: Click "Start Scan" to identify all potential issues.
- Step 3: Review scan results and click "Fix Items".
File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable
This Tool is Compatible With: 
Method 2: Download the appropriate software
The given list provides programs which may be used for opening or converting the pst file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.
Programs that open PST files
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Windows
-
Microsoft Outlook 2016
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Microsoft Exchange Server
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Microsoft Outlook Express
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Remo Repair Outlook (PST)
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BitDaddys Email Open View Pro
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Encryptomatic PSTViewer Pro
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OEMailRecovery.com Outlook Recovery Toolbox
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MacOS
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Microsoft PST Import Tool for Entourage
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Stellar PST to MBOX Converter for Mac
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Method 3: Use universal file viewer
In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the pst file as well. Download Universal File Viewer for your OS.