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Best PST Compact Tool – Free Download & Easily Compress PST File

Jaspreet Singh | Modified: May 14, 2022|Updates | 3 Minutes Reading

While using Outlook, your Outlook PST file reaches its limits, and you want to compress or compact your PST file.  Then, this article helps you to resolve this query, we will describe the best and most quick PST compact tool to reduce the size of large PST file. 

Outlook supports PST files that store the mailbox data in the system drive. When you transfer mailbox items to a local drive, they will get saved in the PST file format. If your Outlook account contains a large number of emails in Outlook, the PST file created is oversized. So, you have to reduce its size. 

Prominent Features of PST Compact Tool 

  • This software can compress the large PST file by extracting, removing & saving attachments. 
  • It can decrease the size of the PST files as much as it can without any data loss. 
  • Compatible with all the versions of Outlook. 
  • This software gives you an option to compress Outlook PST files in batch. 
  • This tool supports compression of both ANSI & UNICODE PST files. 

Some Other Great Features of PST Compress Tool 

Compress Large PST File –  ANSI data file only contains 2GB of storage for attachments in which there are lots of chances of data loss or data corruption. By using this software you can reduce the file size to make it easily accessible or prevents data corruption. 

PST File Compression Options –  This PST compact tool can compress the Outlook PST file in 3 ways.

  • Extract and Save attachments
  • Remove attachments
  • Extract, save and compress attachments

Remove Attachments from PST – This tool compact Outlook PST file and compress it, PST compaction allows the removal of attachments. If you select this option, this tool will extract attachments from the PST files and deleted them permanently. 

Extract & Save Attachments – By using this solution, you can compress the PST file which is large in size without deleting attachments. PST compact tool extracts all the attachments and after that saves them in a separate folder. 

Show Progress Report – When you start the PST file with the compression process, the PST file compaction generates a complex report which helps you to find out the compact PST file, together with its current status.  

Free Download PST Compact Software – Best Procedure

The best utility software to compress Outlook PST files, the demo version can only compress initials 5 items from each folder. 

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Simple & Easy Instruction of PST Compact Software 

  • First thing first, Go to Menu > Programs > PST compact software.

  • Click Add file or Add folder to select PST file.

  • Select & Open the selected PST file


  • Now, in the next step select the folder to save the PST file compressed & click on the Browse button to select the folder, and click OK.

  • After this, select an inappropriate option to compact the PST file. 

  • Then, click the compress button to start the process. 


  • Then, click on the browse button to select the folder and save compressed files. 



  • This PST compact software shows a progress bar

  • After this, select an inappropriate option to compact the PST file. 


Author’s Suggestion 

In this article, we have discussed PST compact software Outlook provides you only 50GB of storage to store Outlook attachments. PST compact software is the best solution to compress the large PST file, Outlook storage limit was small so, PST compact tool is necessary for every Outlook user.