Outlook OST Data File to PST

OST to PST Converter

Grab OST File Converter to Convert Offline OST to PST

  • Batch OST to PST mode- Convert Backup OST File to PST in easy way
  • Export Exchange OST to PST, EML, MSG, MHT, PDF, EMLX, MBOX and HTML.
  • Converts whole Outlook OST File Contents and helps to recover data OST to PST.

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Checkout What OST to PST Converter can do...


Easy to Use

Allows user to convert OST file without even installation of any other email client and is designed keeping in mind for non-tech users.


100 % Accuracy

Convert an Offline File (.ost) to a Personal File (.pst) with accuracy and keeping all the information and attached files intact in original form.


Windows 10 ready Tool

OST to PST Converter Tool works perfectly on Windows 10 platform and supports all the latest versions successfully (Win 8.1, 8, 7, XP).

Features of OST to PST Converter

OST File Content Conversion

Convert Outlook OST File Contents

While converting Outlook data file to PST the tool not only attempt OST to PST emails conversion but also achieve successful convert Outlook OST File Contents such as calendar, contacts, tasks, events, etc. using a single tool and that is why it proves as a best way to convert OST to PST with in fraction of time.

Outlook Data

Maintains Outlook Data Integrity

User need not to worry about any changes in any data or in any loss of data rather OST to PST conversion can be done of a large OST file data without losing single bit of information and contained data. Add OST to Outlook within easy 3 steps and also helps to export Exchange to PST, this way user will be allowed to open OST File Outlook.

Windows Supportive

Support latest version of Win OS

Migrate OST File to PST on Windows OS 10, 8.1, 8, 7, XP, and so on. Developing with the technology we always try to provide latest tools with updated features.

Support latest Outlook Versions

Supports Latest and all Outlook Versions

If user want to add OST Data File to Outlook then using OST PST Conversion Tool by Catasoftware user can easily achieve the target without worrying about Outlook versions. Converted files will support Outlook 2016, 2013, and lower versions.

Retains OST Files Met-Data Info

Retains all the Properties of Emails

Converts Emails with all the Meta information like header information (to, cc, bcc, from, subject), images, formatting (color, text size, font style, etc.). OST PST Conversion tool save OST File to PST format without leaving behind any changes or inappropriate conversion.

Recover OST File

Repair, Recover OST Files

If you are having any corrupt OST file then user can choose option of converting OST files to PST using OST PST Conversion tool and can convert offline OST to PST which will exactly help you to repair OST files and also recover OST files even if Outlook OST files is encrypted.

Save OST File to PST as a New File

Generates New PST file every time user select to convert offline OST to PST using OST File Converter. Choose PST option to convert in the second step and it will save OST File to PST as a new one whenever you will use the software. Apart from PST format user are provided 7 other formats too, to which they convert OST files to import them in various other email clients or to open them in browser based application or to Portable Document Format.

See How CataSoftware OST File Converter Looks

Select OST Files

File or Folder option to browse files

Search files or folder containing OST files

Choose File Naming Option

Select Format to Save OST File to PST

Choose format to convert ost files and file naming option.

Completed Conversion

OST Outlook Data File to PST Conversion

Browse the location to save converted OST files and conversion achieved.

OST to PST Converter Resolves error

There are some errors available which user generally faces while using OST files like:

OST File Cannot be Accessed”, “OST File Cannot be Opened”, “IMAP OST to PST Conversion”, “Outlook Data file, File Access is Denied Windows 7 OST”, Outlook data file OST cannot be opened, .ost has reached the maximum size, OST is not an outlook data file 2013, etc. To all the problems user are suggested to convert Outlook OST File to PST which will resolve all the common error problems and then open OST file in Outlook for this use OST2PST Converter.

Trial Version of the OST PST Converter let users to test the efficiency of the OST2PST tool. Trial Version only converts 25 emails from each folder of OST file.

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