OST to PST Converter Utility

Convert OST to PST File Format Conveniently

  • Ability to perform Convert OST to PST several OST files.
  • Facilitates for auto file selection of OST files on the hard-disk.
  • Supports conversion of OST files created by any Outlook version.
  • Examine data of Outlook OST files in 7+ different preview tabs.
  • It export OST to PST in Outlook 2016 and all the below versions as well.
  • Tool converts all the embedded attachments with OST emails to PST.
  • Recursive listing enables viewing all the emails of main folders
  • Advanced scan options to filter messages based on 9+ parameters.
  • MS Outlook installation not necessary to convert OST to PST file.


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Version: 1.0
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Price: $299

Lets Started with OST to PST Converter tool


Run the software and create a new collection, its path, and description.

export ost to pst


Click on Scan File option to add the OST file that has to be converted.

add ost file for ost to pst conversion


Once the OST file is scanned, the software will give a preview of the entire OST file folders on the left side.

convert ost to pst starts


Click on Export option to convert the OST file to PST format.

ost to pst conversion completes


Select the PST option from the export types displayed in the left section.

software to convert ost to pst

The OST File

Offline Storage Table file, abbreviated as OST files, is the file format that is used to store the data that resides on the Exchange server, when Outlook is synchronized with Exchange server. These OST files are referred as the exact replica of the Exchange server data. The OST file allows the users to work in an offline mode with Exchange when the internet connection is unavailable.


The PST File

PST file (Personal Storage Table) is the default data repository of MS Outlook when configured with IMAP or POP3 protocols. It stores the entire data of Outlook profile like emails, contacts, calendars, tasks, etc. It is to be noted that this PST file cannot be accessed in any other application except Outlook. There are two kinds of PST files-ANSI and UNICODE. Whilst Outlook 2002 and earlier versions, used to store data in ANSI PST files, UNICODE PST file is only supported in Outlook 2003 and later versions.


The Complication and The Concerns

The Challenges comes When move OST to PST, the numbers of challenges that are experienced by the users are:

  • Is conversion of complete data possible?
  • Is it possible to convert bulk PST files to OST format?
  • How much time is invested in complete conversion of OST to PST?
  • Is MS Outlook installation necessary for conversion of PST file?


The Solution

The challenges mentioned in the above section, are mostly encountered by the users when they look forward to convert their OST files to PST. The user requires being technically strong in order to perform the conversion process. However, in case you are a naïve user and are not familiar with the technicalities, then don't u worry. These challenges can be overcome with a very effectual utility- MailPro+. The software is a sure shot software to convert OST to PST files. The software performs the conversion without compromising with the data integrity of the OST files.


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Version: 1.0

How MailPRO+ Works?


Does the OST to PST converter tool impose any restriction for migration of OST files to Outlook PST format?


The application does not put any restriction on the file size for the conversion process to move ost to pst format. However, the free trial version of the utility provides a trouble –free experience for converting OST files into PST file format up to 2GB.


Do we have to install Outlook on our system for executing OST to PST process?


Absolutely not, the application does not require the installation of any email client for performing the migration, you simply need to have the OST files and it will convert it into PST file format which can be export to any of the Outlook client.


Can I export the messages selectively with OST to PST converter?


Yes, you can export only the messages which you want to export OST to PST file format. You have the checkbox option, while converting the files, simply enable the checkbox against the messages which you wish to export and the software will migrate only those messages to PST file format.


Can I get the exact information of the conversion process?


The application generates an export OST to PST report for the migration process here all the basic details like the no files getting converted to PST file format and the files which have failed to convert into PST file format. You have the facility to save this report in CSV file format.

Splendid Performance by OST file to PST file converter! MailPro+ has been the just right tool that I was looking for effectual OST to PST Converter I got several OST files which had important data related to my previous office and I was really need of a tool that would enable me to view data through Outlook. MailPro+ has come out an all-in all product to help me out for performing migration of OST files conveniently.

Joana Hankins, Argentina

Being in the team of system administrator, I was on the look out of a utility that would perform seamless export OST to PST file format. Thanks to your team for bringing up such a commendable product! Now I can perform all the .ost to .pst related migrations without any hassles.

Paxil Gladys, Portugal

Demo Version Limitations and Upgrade Benefits
Features Free (DEMO) Version Full (PRO) Version
Thunder to Outlook
Thunder to Outlook
Thunder to Outlook
Thunder to Outlook
Thunder to Outlook 10 Files per Collection Unlimited
Thunder to Outlook
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