OST2 - a free OST to PST converter software for Microsoft Outlook

Convert OST to PST files and connect converted files to Microsoft Outlook*.
Free Microsoft Exchange files (.OST) converter.

  • Back up Microsoft Outlook Exchange .ost files to avoid data loss if the Server is not available or corrupt or user’s profile is damaged.
  • Advanced, fully customizable OST2 version for business and corporate environment.
  • Get everything you need for Outlook in one purchase and save a bunch of money.
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Free OST to PST converter.
Open your data from Exchange (.OST file) in Microsoft Outlook.

If you are looking for a freeware that will convert OST to PST file format quickly and easily, OST2 is what you need. After a couple of clicks, you will be able to open the converted PST file in Outlook.
Our OST converter is useful if, for some reason, Microsoft Exchange Server data needs to be moved and opened in Microsoft Outlook. This free converter is able to do it simply and easily. Convert files in a couple of clicks - select an OST file and choose the location where you want to save the PST file. OST2 will automatically connect the converted files to Outlook*, so you won’t need to import .pst files manually.
Convert orphaned OST files to PST format using OST2 Enterprise Edition. It means that you can convert OST files that are not connected to Outlook.
OST to PST conversion can be a solution of problems caused by Exchange Server. In case of your Exchange Server downtime, accidental user account deletion, the server crashes and your data is not accessible, you may want to convert OST to PST file format. All your emails, calendars, contacts, tasks etc. can be opened in Outlook after the OST2PST conversion. To prevent Offline Storage .ost file’s data loss, it is useful to back up data in the Personal Storage file format. Back up Exchange data using this simple OST to PST converter.
*Get more with OST2 Enterprise Edition:
  • Convert OST files that are not connected to Microsoft Outlook (orphaned OST files)
  • Scan for .OST files connected to Microsoft Outlook.
  • Network location support.
  • Connect the converted PST files to Microsoft Outlook.
  • Advanced conversion settings, i.e. scheduling, several files conversion etc.
  • Custom conversion rules.
  • Automatic software deployment and licensing.
A custom OST to PST conversion solution for your company.
4Team will develop OST to PST conversion tool designed specifically for your needs, featuring,
for example:
  • An opportunity to open and review OST files before conversion.
  • OST to PST conversion without Outlook installed.
  • Custom integration into your company’s environment.
  • OST backup solution that meets your corporate needs.

Main features of OST2:

  • Free OST to PST converter. OST2PST software tool.

    Free OST to PST converter. OST2PST software tool.

    Convert OST to PST (Exchange Offline Storage files to Personal Storage) files. Use OST2 as ost to pst converter to transfer data from Exchange to Outlook, make your Exchange account emails, calendar, contacts and other items accessible through Outlook. OST file must be connected to Outlook, in order to convert it. If you want to convert files that are not connected, please check OST2 Enterprise Edition.
  • Back up Exchange data with automatic OST converter.

    Back up Exchange data with automatic OST converter.

    Use this OST converter tool to back up data as a .PST file in case something happens to Exchange Server. For fully customizable Microsoft Outlook and Exchange backup, see our Safe PST Backup Enterprise Edition software.
  • Recover Exchange mailbox data with OST PST Converter.

    Recover Exchange mailbox data with OST PST Converter.

    In case Exchange Server crashes, you will be able to recover Exchange mailbox folders by opening the converted PST file in Outlook. Our OST PST converter allows keeping your precious data accessible to you.
  • Restore and convert OST files.

    Restore and convert OST files.

    By converting OST files to PST format, the Exchange mailbox can be restored even after accidental Exchange user mailbox deletion. Convert OST file and open Exchange mailbox emails, contacts, calendars and other folders in Outlook easily.
  • Convert OST to PST and connect files to Outlook after OST conversion*.

    Convert OST to PST and connect files to Outlook after OST conversion*.

    After OST file is converted to the PST file format, it can be automatically connected to your Outlook. So you won’t need to import the PST file to Outlook manually. OST2 is able to import a single file or a batch of files at once.
  • Easy-to-use OST file conversion tool with very simple interface.

    Easy-to-use OST file conversion tool with very simple interface.

    Select the OST file you want to convert and choose a location where you want the converted PST file to be stored. The conversion can be done in a couple of clicks.
  • Scan for OST files connected to Outlook*.

    Scan for OST files connected to Outlook*.

    OST2 can automatically detect OST files on your computer, so there is no need to browse for a file manually. A scan of OST can be done by clicking the icon on the program’s interface.
  • Comprehensive settings for your OST conversion needs*.

    Comprehensive settings for your OST conversion needs*.

    OST2 Pro/Enterprise Edition allows you to choose advanced conversion settings. With Pro Edition, you can convert multiple OST files; schedule a conversion to run at the specific time interval; make conversion hidden from an end user (“silent mode”). Click here to learn more about OST2 Enterprise Edition or buy ost pst software.
  • Convert OST on your corporate network*.

    Convert OST on your corporate network*.

    OST2 supports network location, so you can choose any OST file from your network and select any network location, where the converted files will be stored.
  • Advanced OST to PST conversion configuration settings*.

    Advanced OST to PST conversion configuration settings*.

    Create and edit one configuration file to set up OST to PST conversion on several network computers. Customize conversion the way you want using scripts and command line parameters.
  • Convert OST files of any Exchange version to PST files of any Outlook version.

    Convert OST files of any Exchange version to PST files of any Outlook version.

    It does not matter which version of Microsoft Exchange and Microsoft Outlook you or your company are using. OST2 converts ost files created with any version of Exchange and Outlook from 2002.
  • *These features are only available with Enterprise Edition.
    Learn more about Enterprise Edition.

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Phone in US: +1 (954) 796-8161
Customer Testimonials
Great free tool! I always wanted to transfer my Exchange account data from work to my PC at home. With OST2 I finally did it! Besides, very easily. Interface couldn’t be more clear and simple."
Jerremy West, USA See more
4Team Corporation
5645 Coral Ridge Dr #211
Coral Springs
FL 33076, USA
USA: +1 (954) 796-8161
UK: +44 20 3095 8296
Canada: +1 647 477-3340
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Fax: +1 (954) 780-3795
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