OST to PST Converter

Easy-to-Use Software to Export Outlook Offline OST File to PST

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Tool to Convert OST to PST Format in an Easy & Simple Way Read More

  • Convert Emails, Contacts, Calendar etc. from Outlook OST file to PST
  • Merge all components of multiple OST files into a single PST file
  • Recover, backup, and extract OST file data into PST
  • No File Size Limitation: migrate & export any size OST file to Outlook PST format
  • Option to Decrypt and remove S/MIME and OpenPGP encryption from OST files
  • Preserve all meta properties of OST mails & maintain folder structure
  • The tool offers a Split facility to divide large output file in MB, GB
  • Compatible with Microsoft Windows 10/ 8.1/ 8 and all below versions

Features of OST to PST Converter Tool

export offline ost file to pst

Convert OST file to PST

A user can use this OST converter software to convert items such as emails, tasks, calendar etc from Offline OST file to PST. Apart from this, it also maintains all the metadata properties associated with each email throughout the process.

maintain folder hierarchy

Maintains Folder Hierarchy

The utility is designed in such a way that it keeps the internal folder structure of Offline OST file or on-disk folder hierarchy same as original even after OST to PST conversion. Read More

recover permanently deleted OST file data

Recover Deleted OST File Data

The functionality of the application extends to recover the permanently deleted data from the OST file. All the data within the OST file whether it is deleted or not will be previewed for conversion. The folder containing any data will be visible in bold and the data file recovered in Red Colour. Moreover, you have function to select the data required for migration. An option of Date range is offered that lets you convert selective OST data to PST format.

Remove encryption from OST file

Decrypt & Remove Encryption from OST file

OST Converter has facility to decrypt the S/MIME (Secured Multi-purposeInternet Mail Extension) and OpenPGP (Pretty Good Privacy) encryption set on the OST file. You are provided a procedure that you need to address in order to remove the encryption from the OST file and convert to PST. After the encryption and the coversion is completed, the resultant PST file will be accessible without any decryption.

import ost file to pst

Convert Selective Data Files/Folders

The OST to PST converter tool will help you to perform migration from Offline OST to Personal Storage Table PST file. This tool support bulk & selective conversion of OST files. If you want to export data from select files then you need to use Select Files option. To perform bulk conversion of entire OST files you need to use Select Folder option. After that, the tool will extract data from OST's and save into a new PST file.

split large PST file

Option To Split Large Size Resultant File

The OST Converter tool provides users an option to split the oversized output file. One just needs to check the Split option, the software will automatically break the large size output file in smaller parts by size. However, users have to specify the size of the file in GB, MB and the Software will generate multiple files of the same size. This feature will help you to maintain output data.

merge multiple OST into one PST file

Option to Merge OST files into a Single PST

This OST to PST converter allows you to merge multiple OST files into a single PST format. It provides "Create a Single PST File" option to export data of multiple Outlook Offline OST files into a single output PST file. This option will help you if you want to combine multiple OST to PST. Moreover, the tool allows you to create a separate PST for each OST file, with this option you can convert a large OST file into a separate PST.

Selective OST file data conversion

Multiple File Selection Options

This OST PST conversion Program also provides multiple file section options to perform conversion of selected OST or entire OST files in bulk. It provides Select Files, Select Folder options to import OST files into software panel before the conversion process. With Select Files option you can import only selected OST files which you want to convert into PST, Select Folder option will help you to import entire folder in which all OST files are saved.

Watch Video to Migrate & Convert OST File to PST Format

OST to PST Converion Box

System Specifications

  • Windows OS : Windows 10 or any below version (32-bit or 64-bit)
  • Processor : 1 GHz Processor (2.4 GHz is recommended)
  • RAM : 512 MB (1 GB is recommended)
  • Disk Space : Around 100 MB free space for installation

Demo Limitation :

  1. Free edition of OST to PST converter tool will convert first 25 items per folder from OST file.

  2. Check for 'Use Outlook (Requires Outlook to be installed on machine)' option to export Contacts, Calendars, Tasks, Notes, Journals in PST format on Export Option Window.

Product Details
  • Version: 8.0
  • File Size: 35.4 MB

Frequently Asked Questions

Yes, this software retains the data integrity. There will be no loss of data while performing OST to PST migration.
This OST file to PST converter you to import multiple OST files in batch into software panel, but it will convert all OST files one by one. If you export all OST file into a single PST format, then the tool will extract data from all OST files & save into a single new PST file.
Yes, with the help of this OST Converter software a user can easily export Offline OST to PST format without installing MS Outlook on the system. However, if a user wants to access PST file then, Outlook application is mandatory.
No, the OST to PST converter software does not require Exchange Server to export OST file to Outlook PST format.
Yes, the OST converter software allows you to merge OST to PST. To combine multiple OST files into a single PST you need to check "Create a Single PST file" option.





The tool is the best way to convert OST to PST, by using this software I have exported unlimited numbers of Outlook offline OST files. It provides an easy user interface which helps me to work with the tool. I recommended this software to migrate OST file to PST.




OutlookWare OST to PST converter is excellent tool to export large OST file. It help me to convert Outlook 2016, 2013, 2010, 2007, 2003 OST file to PST. This is effective tools to perform conversion of offline OST file. By using this tool you will get the result in few minutes, then you can easily import PST file into Outlook.