Top-5 Solutions to Convert OST to PST File Format


Last Updated on April 23, 2024 by Nadeem Ahmad

When we are searching OST to PST converter tool on the web, we get multiple solutions, but finding the right tool is not an easier task.

After deep analysis and professional recommendation, finally, I want to share top-5 solutions that convert OST to PST file format without any changes in original content.

Best Tool to Recover and Convert OST File into PST:

Use one of the below-listed tools to shift the OST file into PST format. All Tool comes with a free trial version so that users can also test the tool’s behavior and find the right tool.

#1 MailsDaddy OST to PST Converter:

This is one of the best tools to convert OST to PST format with complete security. It offers users to view the preview of the overall OST file database before conversion. Here users can export single or multiple OST files into PST and other formats. Like – EML, MSG, MBOX, RTF, HTML, EMLX, etc.


  • Easy to use and export offline OST file into PST format.
  • Fragments a large OST file into small Outlook PST files.
  • Imports OST to Office 365 and Live Exchange Server.
  • Filters and moves some selected OST file data into PST.
  • Displays preview of the complete OST file database.

#2 SysBud OST to PST Converter:

This is a single wizard application that helps users to export OST to PST in quick mode. Just load import your OST files in the software and convert all data into PST format.


  • Moves unlimited OST file into Microsoft PST file format.
  • Helpful to recover highly corrupted OST files easily.
  • Allows users to transfer heavy OST into PST format.
  • No requirement of MS Outlook for the migration process.
  • Support all editions of Outlook and Windows OS.

#3 A2Z Migration for OST to PST:

This OST File Recovery tool has the ability to exchange OST to PST format without tempering the original OST file database. This powerful solution supports Exchange Server, Hotmail, and IMAP OST files. It enables users to export OST data into PST, EML, MSG, and RTF formats.


  • A helpful solution to convert OST file for all Tech and non-tech users.
  • Offers users to open and view complete OST file databases.
  • Transfers OST file contact only in .csv and calendar in .ics format.
  • Allows users to split a heavy OST file into small PST files.
  • Converts 1GB OST file into Outlook PST file format free of cost.

#4 MailsSoftware OST to PST Converter:

This is also a top-ranked solution in OST to PST conversion field. It allows users to convert OST to PST in the bulk mode without hassle. The software is compatible to export OST to PST with maintaining all internal folder/subfolder structure, text formatting, email properties, and HTML formatting.


  • Move unlimited size of OST file into PST file format.
  • Migrate multiple OST files into PST at a single time.
  • Converts OST to PST, EML MSG, MBOX, and others.
  • Display preview of OST file data for user’s satisfaction.
  • Offers a filter option to move required OST file databases.

#5 QuickMigrations for OST to PST:

This is another bet single wizard solution that converts multiple OST files to PST format quickly. The working environment of this software is so easier that a newbie user can easily handle this and complete the migration task.


  • Swiftly retrieves all damaged and inaccessible OST files.
  • Preserves all email attributes with complete data security.
  • Easily convert TB-size files into Outlook PST file format.
  • Can be installed on all Windows OS-supported systems.
  • Support Outlook 2019, 2016, 2013, 2010, and other editions.

Closing Statement: All the software has there some smart ability to convert OST files into PST format. Based on the features, you can choose any of the above-given top 5 OST to PST converter software as per your needs.

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