Browse Definitions:
File Extension

PST File Format

Personal Folder File (Microsoft Outlook)

Troubleshoot .pst files at ITKnowledgeExchange.com

A .pst file is a personal folder file in Microsoft Outlook.  PST files hold all data located in Outlook when Exchange Server isn't being accessed. PST stands for personal storage. Primarily used for local email data storage, Outlook .PST files can pose compliance and email archiving issues for Exchange organizations. By default, .pst files are in the Unicode format in Outlook 2007 and in Outlook 2003 and the limit default is 20 GB.Scanpst.exe can be used to recover folders and items from a corrupted .pst file in Microsoft Outlook 2002, Outlook 2003, and Outlook 2007. Scanpst.exe is a hidden file that is installed automatically when Windows is installed. Scanpst.exe is also called the Inbox Repair Tool.

Learn more:

SearchExchange.com has tips and tutorials to help you  troubleshoot .PST file issues

Learn how to configure the size limit for .pst files in Outlook 2010, Outlook 2007 and in Outlook 2003.

Microsoft provides directions for using the Inbox Repair Tool

Browse more file extensions
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

This was last updated in May 2010
Browse File Extensions Alphabetically:

Ask a Question. Find an Answer.

Ask your peers a question about this file extension.

Ask a Question

Join the conversation

1 comment

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

for some reason unknown to me my vodamail has not got an .pst extension after it and asks me for a password. my password for vodamail does not work so am unable to open outlook. how can i revert back to the normal outlook without .pst extension?
Cancel

-ADS BY GOOGLE

SearchCompliance

SearchSecurity

  • botnet

    A botnet is a collection of internet-connected devices, which may include PCs, servers, mobile devices and internet of things ...

  • Web application firewall (WAF)

    A Web application firewall (WAF) is a firewall that monitors, filters or blocks traffic to and from a Web application. WAFs are ...

  • MD5

    The MD5 hashing algorithm is a one-way cryptographic function that accepts a message of any length as input and returns as output...

SearchHealthIT

SearchDisasterRecovery

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

  • disaster recovery as a service (DRaaS)

    One approach to a strong disaster recovery plan is DRaaS, where companies offload data replication and restoration ...

SearchStorage

  • compact disc (CD)

    A compact disc is a portable storage medium that can be used for recording, storing and playing back audio, video and other data ...

  • secondary storage

    Secondary storage is used to protect inactive data written from a primary storage array to a nonvolatile tier of disk, flash or ...

  • VRAM (video ram)

    VRAM (video RAM) is a reference to any type of random access memory (RAM) used to store image data for a computer display.

SearchSolidStateStorage

  • SSD RAID (solid-state drive RAID)

    SSD RAID (solid-state drive RAID) is a methodology commonly used to protect data by distributing redundant data blocks across ...

  • Tier 0

    Tier 0 (tier zero) is a level of data storage that is faster, and perhaps more expensive, than any other level in the storage ...

  • PCIe SSD (PCIe solid-state drive)

    A PCIe SSD (PCIe solid-state drive) is a high-speed expansion card that attaches a computer to its peripherals.

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

Close