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Benefits of

OST to PST Converter

  • The software converts Single/Multiple Outlook OST files into PST format.
  • Users can Preview their OST file data including Attachments.
  • You can save the resultant file and source file at the same directory using the Save in Same Folder option.
  • Embedded with Remove Duplicate Mail feature to exclude unwanted emails.
  • Facilitates to Import Outlook OST to Office 365 and various other email clients
  • Offers Split Resultant PST feature to split oversized OST file into PST format.
  • Maintains the Folder Hierarchy throughout the conversion process.
  • Featured With Date Range Filter to convert only specific mails.
 Free Download

Impressive Features and Benefits of OST to PST Converter Tool

Here are some Highlighted Features of the best OST to PST converter software.

Extract Outlook Offline Data File into PST

Extract Outlook Offline Data File into PST

OST to PST Converter Software is a remarkable utility that effortlessly converts OST to PST without Outlook. Also, the software assists users to preview their OST file data, including attachments, before the OST conversion. Apart from this, you can perform bulk conversion of the OST file without any alteration in the data.

No Size Bar in Large OST Files

No Size Bar in Large OST Files

Using the Microsoft OST to PST Converter tool, you can convert your large-size OST files. This utility performs the quickest conversion of the oversize OST files to PST format in such a situation when the Microsoft Outlook or Exchange server is inaccessible or crashes. Also, it extracts the OST file data with 100% precision.

Multiple OST Export Options

Multiple OST Export Options

Outlook OST to PST Converter tool is a well-designed and developed utility that is also well capable of converting OST files into multiple other file formats (PST, MBOX, EML, EMLX, MSG, PDF, CSV, GIF, JPG, TIFF, HTML, MHTML, PNG, DOC, DOCX, DOCM, and JSON) and email clients (Gmail, Yahoo Mail, Office 365, Thunderbird, AOL Mail, Hotmail, IMAP, Opera Mail, Zoho Mail, Yandex Mail, Live Exchange, iCloud, GoDaddy email, HostGator email, Amazon Workmail). Besides this, there will be no data loss during the process, and all the folders will be preserved in the same hierarchy as before.

Migrate Emails without Attachments

Migrate Emails without Attachments

OST to PST File Converter, users can backup their OST emails without attachments. Therefore, while performing the conversion of selected OST files, you have the option to exclude attachment files from the emails. Furthermore, you can also define the name of the resultant files/folder in which imported emails will be stored.

Split PST File into Required Size

Split PST File into Required Size

Using the best OST to PST converter tool, users can migrate OST to PST without Outlook. This tool is applicable to split the resultant PST file into the required size while exporting the data from the OST file to the PST format. Moreover, it is an optional choice that can be used for creating multiple PST files from a single OST file.

Free Preview of Offline Outlook Data Files

Free Preview of Offline Outlook Data Files

OST to PST Conversion Tool offers the preview option too. Users can have a preview of recovered OST items just before the conversion process. Apart from that, you can also open OST file without Outlook and cross-check the items, including attachments, contacts, notes, etc. This smart feature saves valuable time and assures the users about the accuracy and the integrity of the software.

Exclude Similar OST Emails

Exclude Similar OST Emails

With the help of OST File to PST Converter, users can exclude duplicate emails items from the exporting process. This utility facilitates the Remove Duplicate Emails feature that transfers one out of multiple similar emails and leaves the rest. Thus, to skip the duplicate emails in the migration process, you need to tick the Remove Duplicate Mail feature.

Preserve Folder Hierarchy

Preserve Folder Hierarchy

Microsoft Outlook OST to PST converter tool fully loaded with multiple advanced features amongst them, one of them is the maintain folder hierarchy option. Using this feature, users can export all their data from the OST file to PST format. Besides, there will be no data changes during the conversion process. All the folders will be preserved in the same hierarchy as before.

Perform Selective Conversion of OST Files

Perform Selective Conversion of OST Files

This software is designed and developed with advanced algorithms that provides selected conversion of the OST file items. With the help of Outlook OST to PST Converter Software, you can filter the crucial emails and items of the OST file that you want to migrate using the Mail Filter.

Self-Descriptive and Easy GUI

Self-Descriptive and Easy GUI

The user interface of the OST to PST Converter tool is designed and developed as self-descriptive or intuitive in nature. The software makes the user more comfortable handling the tool. Also, the process becomes more easy and simple due to the interface, which is compatible with both technical and non-technical users.

Technical Specification

OST to PST Converter Tool specifications, users can follow before use of this software to work effectively.

About Product

OST to PST Converter Tool

Microsoft OST to PST Converter Tool is an instant solution to convert Outlook OST to PST. Also, the free OST to PST Converter is used to evaluate the software working and features of the paid tool. However, you can only export the first 50 OST emails. So upgrade to the premium version to convert OST files without any restrictions.

 Free Download

Intel® Pentium 1 GHZ Processor (x86,x64) or equivalent

Hard Disk

512MB of free hard disk space required


512MB (1GB Recommended)

Operating System

Windows 11 and all its below version

To run this tool smoothly on Windows 11, follow the below-mentioned steps:

  • Go to Windows Defender.
  • Click on Settings.
  • After that, Turn Off Real-Time protection.

Whenever controlled folder access is Enabled, some parts of the software might not get installed correctly. Controlled folder setting sometimes blocks anything that attempts to write to use the user\{user name}\Appdata or various other related folders.

Please disable your antivirus or window defender temporarily and allow access from its setting by adding our software to the exception list. If still blocking, then clear the browser cache and remove all the temporary files from the system.

Yes, It perfectly works on such storage technology as long as the file access is transparent that is usually there.

It is due to the screen resolution of your system or PC. Please, adjust your System/PC Screen resolution to default.

Full and Free Version of Outlook OST to PST Converter

Complete Features of the Software to Export OST File -Demo and Licensed Version

Features Free Version Paid Version
Convert OST File to PST Only 50 Emails All Emails
Export OST into Multiple Formats
Add Single/Multiple OST Files
Preview Files & Attachment
Remove Duplicate Mail
Migrate or Backup Emails Without Attachments
Split Resultant PST File
Date Range Filter
24*7 Technical support
Download and Purchase  Free Download  Purchase Now


Some Commonly Asked Questions and their Answers

If you want to open an OST file into PST format, follow the given below steps in a proper sequence.

  1. Download and Run OST to PST Converter Software.
  2. Select Single/Multiple File option to add OST files.
  3. Now, Add the PST File and press the Open button. Click Next.
  4. Mark the Required Folders from the display tree-structure and press the Next button.
  5. After that, choose PST from the Save/backup/Migrate As option.
  6. Then, opt for the Additional Features as per the requirements.
  7. Click on the Path to Save button to choose the resultant file at desired location.
  8. Finally, press the Convert button to begin the conversion process.

Yes, using the Microsoft OST to PST Converter you can successfully open your OST file in Outlook by converting it into the PST format. The software is capable of converting the OST file instantly.

If you want to open an OST file on another computer than using the OST to PST Conversion Tool you can save the OST file onto another computer by saving it into the PDF format.

Some antivirus software occasionally misinterprets new software as a threat to the PC, preventing their installation. Moreover, if the antivirus is on, it prevents the complete installation of the tool.

OST to PST Converter Tool stores the log files and temp files at the below-mentioned default locations.

Log Files - C:\Users\this pc\Documents

Temp Files - C:\Users\this pc\AppData\Local\Temp\

You can easily change this default location by clicking on the Log and Temp Path buttons.

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