How to Extract Emails, Contacts, Calendar from OST File to PST

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OST files are the cache replica of user account present in Exchange Server, these are the offline folders in which users can make changes and sync that changes when connected to Exchange Server. In many situations, OST files become inaccessible due to reasons like server downtime and OST file corruption and damage. In order to access inaccessible OST to maintain the work flow, one can extract OST emails, contacts, calendar to PST file. By doing this user will be able to migrate the data of OST file to PST format easily.

About OST to PST Converter Tool

OST to PST conversion tool can extract OST file as well as convert them into PST file format.

This tool is much suggested way of migrating Exchange offline folders to Outlook PST. OST recovery tool also recover the highly corrupted OST files and convert them to Outlook PST file format.

Versions of OST to PST Converter

OST email extractor is available in two version, the first is Demo versions and the other one is licensed version.

Demo Version: The demo version of OST to PST Converter tool is available as freeware on the official website of the company. User can try the features of the software with demo version before purchasing the full version. The demo version can migrate 25 items per folder.

Complete Full Version: The full version of OST recovery tool can migrate unlimited OST files and it’s data. The full version is available on official website at the cost of 49$.

Key Features of OST to PST Converter

Recover Corrupted OST files

The OST Recovery Tool can extract OST contacts, emails as well as all other items available in OST file and convert OST file to PST. The tool recover the severely damaged OST files before it’s conversion to PST file using an option “Advance Scan.”


Unlimited OST File Extraction

This tool has ability to extract OST file to PST format in a batch without any hassle. After converting OST file to PST, one can extract data from OST file of Exchange Server.

Preview & Export Selected Data Items

OST converter generate preview of OST file components after recovery, such as Emails, Calendars, Task, Contacts. User can extract OST items by selection using check or uncheck the respective data items.


Customization Of View Modes

User can customize the view of the OST recovery tool with Switch View option. User can change the view according to their convenience. The tool features Horizontal and Vertical view.


Intact File Hierarchy And Meta Properties

The tool does not make changes in file structure of OST files and In addition, also intact the meta properties of the each contained email such as To, Cc, Bcc, Sent date, received date, etc. These properties are unaffected after OST file migration.

Split The Resultant File

If user wants to extract OST file which is larger in size to Outlook PST file format, in that case user can apply PST split option. After choosing this option you’ll be able to split the resultant PST file into multiple small PST.


Date Filters For Email Extraction

OST email extractor has a Mail Filter option, that enables user to extract OST emails which comes within the range of mentioned dates.

User Friendly Interface

The tool features an easy GUI, which is designed in a manner that it enhances the ease of OST to PST file conversion. The tool has all options that makes OST file conversion an easy task.

System Specification

  • Platform Supported: Windows 10/ 8.1 and all below versions
  • Processor: 1 GHz but 2.4 GHz recommended
  • RAM: 512 MB but 1 GB recommended
  • Hard Disk Space: 50 MB of free hard disk space

Application Prerequisites

  • When using Windows 8.1/8/7 or Vista, you need to run the tool as “Run as Administrator”.


  • Outlook installation is not necessary for the conversion.
  • Featuring advance options such as PST Split and Email Filter.


  • Trial version of the tool can convert only 25 items per OST file.
  • For migration user can select only one OST file at a time.


Going through the different aspects of the Exchange Offline File Converter while you convert OST to PST, the product is emerges as a solution for extracting the OST files to Outlook PST files. This conversion enhances Exchange Offline folder usability and also recover it’s damages. We can rate OST to PST Converter as 9.5 out of 10, the tool looses it’s 0.5 points as it does not supports multiple OST file selection at a time.


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