.PST File Overview

File Extension:	PST
File Type Description:	Outlook Personal Information Store File
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Outlook Express
Primary Software Developer:	Microsoft Corporation

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PST

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What is File Extension PST?

Outlook Personal Information Store File files were originally developed by Microsoft Corporation for the Microsoft Outlook 2016 software application. User statistics infer that these PST files are popular with users from United States and most frequently found on the Windows 10 platform. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

	Microsoft Outlook 2016 by Microsoft Corporation
	STAR-CD by Siemens AG
	Microsoft Outlook Express by Microsoft Corporation
	Microsoft Exchange Server by Microsoft Corporation
	OEMailRecovery.com Outlook Recovery Toolbox by Microsoft Corporation

Top PST User Languages

Top PST File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android
	Windows Phone

Other File Types Related to PST Files

Extension	File Type Developer	File Category	File Type Description
.STS	DuoS DSEMU	Game Files	DuoS DSEMU Saved State File
.ADD	Microsoft Corporation	Uncommon Files	Dynamics AX Developer Documentation File
.HXA	Microsoft Corporation	Settings Files	Microsoft Help Attribute Definition
.SML	ESRI	Developer Files	ARC/INFO Simple Macro Language File
.OEACCOUNT	Microsoft Corporation	Data Files	Windows Mail Account File
.CKP	Microsoft Corporation	Database Files	SQL Server Checkpoint File
.HXE	Microsoft Corporation	Data Files	Microsoft Windows Help Samples Definition File
.VDW	Microsoft Corporation	Web Files	Microsoft Visio Web Drawing
.CSHTML	Microsoft Corporation	Web Files	ASP.Net Web Page
.XPR	Parametric Technology Corporation	3D Image Files	Pro/ENGINEER Part Instance Accelerator File