OST Converter Tool

All-in-one OST to PST converter tool that allows users to convert OST files into 15+ different file formats without any restrictions. This OST converter has been verified by Microsoft MVPs and IT experts and is recommended for both home and professional users.

  • OST Converter Tool Allows to Convert OST in PST, EML, EMLX, MBOX, NSF, MSG
  • Convert in Document Formats: CSV, PDF, ICS, vCard, TXT, MHT, HTML, DOCX, DOC, RTF
  • Convert OST File Created by: Outlook, Exchange Server, IMAP, Hotmail, Microsoft 365
  • Able to Maintain: Folder Structure, Data Integrity, File and Email Header, HTML
  • OST Converter Allows to Convert Email, Contacts, Calendars, Task, Attachments
  • Batch OST Conversion Mode: Choose Add Folder Option to Add Multiple OST File At Once
  • Option to Save OST File Scan Report and Convert OST Files to PST File Format
  • Download OST to PST Converter Tool and Launch It on Windows 11 and Below Versions
OST Converter advance option

Batch OST Conversion with Search Options

OST Converter provides you two options for uploading and adding your OST data in the software; Select File and Search File. You can choose either of these to add your OST files or folders to the software as per your requirements. The two options are as follows.

  • Select File: Selecting this option, you can upload your OST file from its known location directly to the OST to PST converter software.
  • Search File: However, if you are unaware of where the OST file is on your system then, you can choose this option. With this, you can search in your system drives for the OST file. In this search option, you’ll get other two options; they are as follows.
  • 1. Search Selected Drive: If you choose this option, then you can search one of any drives on your system. You can search through a drive where you think the OST file is located.
  • 2. Search All Drive: With this option, you can search through all of your system drives to find and upload the OST file/s to the software.
OST to PST Converter Preview

Preview your OST File with 8 Preview Modes

After you have loaded your OST files in the software, this utility scans it and shows it on the main panel of this software. There you can preview your uploaded data in these following modes:

  • Normal Mail View: includes normal attributes of an email like CC, BCC, header etc.
  • Hex: preview your OST files in Hexadecimal format
  • Properties: shows the additional information such as sender description, message flags, body etc.
  • Message Header: views different emailing properties like MIME version, Date, Priority, CC etc.
  • MIME: check your OST emails in internet standard details.
  • HTML: check your Outlook OST data in HTML coding.
  • RTF: previews email information in plain RTF (Rich Text Format).
  • Attachments: preview any type of attachment. Be it JPG, PNG etc.
OST Converter export options

Multiple Export Options of this OST Converter Tool

When you are ready to export your files after conversion, you get numerous export options that you can use as per your requirements. The export options are:

  • Maintain Folder Structure & Hierarchy: It ensures that your OST data remains intact exactly as you uploaded it. Moreover, if your OST files contain attachments or any other items, then they are also going to be in the same format as before the conversion process. This software guarantees 100% preserved and untouched data integrity.
  • Don’t Export Empty Folder: If your uploaded data in the software contains some empty folders that do not have any data in them. You can check the box for this option to avoid exporting any empty folders.
  • Ignore System Folders: By checking the box for this option, you can choose to skip converting your system folders during conversion.

Download OST Converter Free Demo Version

The free demo version of OST to PST converter will allow you to free convert 25 items from OST to PST, MBOX, PDF, HTML, EML, MSG, HTML, vCard, etc., formats.

Quick Features of OST to PST Converter Tool

Advanced Options to Convert OST to PST without Outlook Installation

Export OST File to Multiple Formats

This utility is the ultimate one stop solution to convert Outlook OST to PST / EML / MSG / HTML / PDF and numerous other formats. That too, in an easy and smooth manner. It is capable of converting not just emails but all other Outlook items such as attachments, contacts, calendars, tasks etc. It provides the most popular format for you to export your data in. So, after the conversion process you can easily open and access your data on platforms like Adobe Acrobat, Thunderbird, MS Outlook and Web Browsers.

No Size Restriction for OST File

OST to PST converter software supports all sizes and types of OST files. Be it a large sized or an orphaned OST file, this tool has no problem exporting that OST in PST or any other format. Similarly, no matter if your OST is corrupted, inaccessible, highly damaged, password-protected, created by Exchange, IMAP or Office 365 accounts. This OST converter can convert it into the desired file format. It can also effortlessly handle large-sized OST files. Moreover, you can split them into smaller sizes.

Convert Encrypted OST File to PST

If your added OST file is encrypted with either SMIME (Secured Multipurpose Internet Mail Extension) or Open PGP (Pretty Good Privacy), then this OST to PST converter tool can easily decrypt that for you. Once you have decrypted the OST files with the help of this tool, you can convert them in any of the available export options. Moreover, those resultant converted files can be accessed without using any keys or certificates.

Quick & Advanced Scanning Modes

With this OST converter software, you get two scanning modes to scan your uploaded OST files. The first option is a Quick Scan which quickly scans your added OST files and loads them in the software pane. On the other hand, the other option is the Advanced Scan. You can use this option if your OST files are highly corrupted or damaged. It will thoroughly scan your OST files, recover the data in it and then upload it in the software for OST to PST conversion.

Supports Batch OST File Conversion

Whether you have a single or multiple files to convert, you can do so with the help of this amazing tool. It provides you with multiple options to upload your OSt files and then it quickly converts the files in the opted file format. Regardless of how many OST files you add in this software, it can easily export all of them at once and even create separate resultant files for each OST file. In addition, you can also download a complete OST conversion report for future reference. The report is generated in CSV format.

Supports Windows & Outlook Versions

This OST converter is a brilliant software that supports OST files generated in all versions of MS Outlook. The supported Outlook versions are 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2000. In addition, this software is also highly compatible with Windows OS 11, 10, 8, 7 and all other lower versions. This makes it highly versatile for all Windows users and Outlook users as well. Simply download OST to PST converter and launch on your system.

Why Choose OST Converter Tool

Understand Advantages of Using This Tool to Convert OST to PST Format

Free Technical Support

With OST Converter Tool, you will get 24X7 free technical help via live chat & email support.

Easy-to-Use GUI

We understand the problems of each non-technical user and we design our OST email converter with an easy-to-use interface so that every user can use it effectively without any help.

OST Converter Tool box

30 Days Refund Policy

With OST converter software, users will get a 30-day refund policy on certain terms and conditions.

Verified OST to PST Converter

TOST file converter is verified by IT administrators on different parameters, and marked this OST to PST converter is the best choice for both personal and professional users for its error-free conversions.

OST Converter Tool - All Screenshots

Understand The Steps to Convert OST to PST File Format

launch software to convert ost to pst
add ost file
preview complete data
convert ost to pst
conversion of ost to pst completed
OST to PST Converter Tool - Video

Learn How to Use Software to Convert OST to PST File Format

OST Converter Tool - Specification

Software and Hardware Requirement to Launch This OST to PST Converter

OST Converter Download

Size : 85 MB

Version : 10.0

Trial Limitations

  • Free demo version of OST converter aool allows to exports only the first 25 files from each selected folders. Buy OST to PST converter full version to avoid this limitation.

System Configuration

Hard Disk Space
100 MB of free hard disk space

Minimum 4 GB RAM

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz Processor


  • Microsoft .NET framework 4.5 or above should be installed.

Supported Editions

  • Microsoft Windows – Windows 11, 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008

Electronic Delivery

The delivery of OST converter is automated. You will receive an email with the link to download the Software and the activation key within a few minutes after the payment confirmation.

FAQs Related to OST Converter Tool

Find Answer of All Your Doughts Regarding Conversion of OST to PST Format

Steps to convert OST to PST or any other format:

  1. Download and run this OST converter on your computer.
  2. Add your OST files with either of the multiple options provided.
  3. Scan your OST and Preview your data items along with attachments.
  4. Convert OST to PST format in bulk to any format.

Yes, this outstanding OST converter can easily convert an orphaned OST file into PST or any other format of your liking. Moreover, this software is not dependent on the supported application of the file.

Yes, this OST converter software does not require you to have a live Exchange connection in order to convert OST files. You can do so without any problem with this tool.

OST to PST Converter - Reviews

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