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BitRecover OST Converter Wizard

A tried and tested software to convert OST files to PST, MSG, EML, MBOX, PDF, DOC, MHT, PNG, JPG, and other standard formats, email clients, web-based services, hosted and on-premises servers. It maintains complete items and attributes during the OST file conversion process.

  • All-in-one software that allows you to convert OST to 39 saving options accordingly.
  • Convert OST contacts to vCard or CSV and calendars into ICS formats with all items.
  • Directly import OST files to Gmail, Google Workspace, Office 365, and Exchange Server.
  • Freedom to extract email addresses from OST files for email marketing requirements.
  • This OST converter comes with a Recovery Mode option to convert corrupted OST files.
  • Convert inaccessible, encrypted, and orphaned OST files without an Exchange Server.
  • Automatically add Outlook data files (OST) from the default storage location.
  • OST file Converter provides various file naming options to maintain resultant data.
  • Inbuilt filters to convert OST by specific date range, subject, sender, and receiver.
  • OST converter tool maintains folder hierarchy and email components intact.

Convert OST Including:

Emails

Emails

Contacts

Contacts

Calendars

Calendars

Tasks

Tasks

Notes

Notes

Journals

Journals

How to Use OST Converter Tool?

People often need to convert OST files to more accessible formats to retrieve or recover their data. They might also want to back up their emails or move them to another email client. The BitRecover OST Converter Wizard makes it easy and fast to convert OST files into different formats.

5 Easy Steps to Convert OST Files

  1. Download the OST Converter Software and run it on your PC.
  2. Next, choose “Select Files” or “Select Folders” you need to convert.
  3. Check and Uncheck the required sub-folders.
  4. Select the Saving Option in which you need to convert your files.
  5. Lastly, apply the filters and click the "Convert" button.
Convert OST Files

Convert OST Files with 39 Unique Choices

The OST converter tool enables users to convert Outlook OST files into 39 saving options such as Convert OST to CSV, EML, MSG, EMLX, PDF, CSV, vCard, TXT, HTML, XPS, RTF, DOCX, ICS, TIFF, BMP, JIF, JPEG, PNG, OLM, etc.

Also, users of BitRecover OST file converter can import and migrate their OST files to the web and desktop-based email clients including Gmail, G Suite, Office 365, Yahoo Mail, Zimbra, Thunderbird, Maildir, Lotus Notes, Entourage, Outlook.com, Exchange Server, IBM, Amazon Workmail, and IMAP services.

Important Note: If you face any authentication error while connecting to the web-based email clients, so use the app password and enable IMAP option.

filters

The Outlook OST converter software is designed with highly advanced algorithms, which makes the software unique and easy to use for all technical as well as non-technical users. The tool comes with several unique filters that make it extraordinary software compared to other tools.

The OST converter provides advanced features to convert specific OST emails through which users can sort data according to Date Range, To, From, Subject, etc. This feature is particularly useful to convert only relevant data from OST files.

Moreover, if anyone wants to exclude unwanted or empty folders, then they can easily enable the “Exclude Folders” and “Exclude Empty Folders” options. Also, users can select the required data from the same, which they want to convert like Mails, Calendars and contacts etc.

OST Converter Software ‐ Key Features

Know The OST File Converter Functionality to Convert Outlook OST Files

add data

Dual Modes to Add OST Files

OST Converter tool is a sophisticated solution that enables you to export numerous OST files in a single operation to a specified file format. Additionally, it has a variety of options for adding OST files. You can choose the Select Files option if you need to convert OST files individually. For a complete folder conversion, please choose the Select Folders option. Also, this advanced tool can automatically load the data from the configured Outlook profile.

Contacts / Calendars

Export OST File Contacts / Calendars

BitRecover OST Converter is a well-suited product to extract contacts from Outlook OST files to vCard VCF (Virtual Contacts Format) and CSV (Comma-separated Values) format. The tool also allows you to convert OST calendars to ICS format. vCard, CSV, and ICS are known as standard file formats that can be easily imported into multiple email clients/ email services/ mobile devices/ tablets/ computers, etc.

Convert Damaged

Convert Damaged OST Files in Bulk

OST file Converter provides the "Recovery Mode" option for making the task easy if users want to repair damaged OST files and convert them in bulk. The Recovery Mode option helps convert corrupted OST files. Using the software, you can choose multiple OST files or folders from your computer. The OST file converter tool allows you to export multiple OST files at once with data accuracy.

Convert with Components

Convert OST Files with Components

BitRecover OST converter software is fully capable to export data from OST files to a wide range of file formats including all email attributes and properties such as cc, bcc, date, time, inline image, attachment, hyperlink, email folder, contacts, calendar, journal, tasks, junk email, notes, deleted items, text formatting, Internet header, signature, subject, etc.

Graphical Interface

User-Friendly Graphical Interface

The welcome (first starting) screen of this OST file exporter software provides detailed information about the working process of this software. The OST converter tool comes with a simple to use "GUI (graphical user interface)" so that it can be easily operated by both technical as well as non-technical users. Now, one can easily export OST files without facing hassle.

Export Large Sized

Export Large Sized OST Files

The OST File Converter is designed to convert and transfer unlimited OST files without any file size limitation. We have tested this software successfully with various sample OST file sizes of 500 MB, 1 GB, and 2 GB up to 1 TB OST files. This feature is most helpful for corporate users having oversize OST files to convert.

Convert Selective

Convert Selective OST Folders

Another beneficial feature of this OST converter tool is, it allows convert only selective folders of OST files for desired result. After loading the OST files into the software, it shows you all the folders and subfolders along with the check boxes to select desired ones. It helps you to select only particular folders and proceed with the process. The OST Converter Software offers to open OST file without Outlook on its panel, from here users can choose only desired folders to export OST files/folders.

Naming Options

Different File Naming Options

OST Converter Wizard provides multiple file naming options to convert OST files so that users can manage their single emails or converted documents by original file name, date, time, subject, from, and auto-increment. This option is important to manage emails or documents according to users' or organization's requirements. This feature is most helpful for data management.

Convert Encrypted

Convert Encrypted OST Files

It is also a striking feature of this software to convert only the selective folders of OST files. Suppose, you load one or more OST folders in the software panel to convert into another format. But if you want to export only “Inbox” folder emails then you can select only this folder and proceed with the process. The OST Converter Software previews OST folders in software, from here users can choose only desired folders to export OST files/folders.

Scan OST Files

Scan OST Files to Get Back Important Data

The OST converter tool offers an advanced solution for users dealing with inaccessible OST files by providing an inbuilt scanning option. This tool not only recovers important data from inaccessible OST files but also converts it into a more convenient and healthy format, ensuring your important information is preserved.

Exchange Supported

Exchange, & IMAP Server Supported

The tool is capable of working with OST files of Microsoft Outlook 2021, 2019, 2016, 2013, 2010, 2007, etc., and Exchange Server 2022, 2019, 2016, 2013, 2010, 2007, 2003 (SP1, SP2, SP3), etc. It also supports IMAP Server OST (Offline Storage Table) files.

No Require Outlook

No Microsoft Outlook Installation Require

OST Converter Tool is a standalone software that does not require Microsoft Outlook or Exchange Server configuration for conversion. It requires only OST files to export emails in multiple generic file formats.

Compatible with All OST

Compatible with All OST Files

OST conversion software is consistent with Encrypted, Compressible, Configured, and Orphaned OST files and allows exporting them in multiple email/document/email client/email server, etc. formats with the fastest speed. It provides 100% error-free resultant data.

Automatically Load

Load OST Files Automatically

If MS Outlook is configured on your computer, then this application will load OST files automatically from the default storage location. Users can also choose OST files manually for adding in the software panel by clicking on the "Select Files" or "Select Folders" options.

Log Report

Generates Log Report after File Conversion

After the files are converted successfully the BitRecover OST Converter Wizard automatically creates a detailed log report. This log report contains important information about the converted data status, saving type, destination path, source path and more.

Separate Outlook files

Creates Separate Outlook files Per User

The BitRecover OST Converter software generates a separate Outlook file for each user. This tool particularly benefits organizations with multiple employee accounts that require conversion, as it efficiently creates individual Outlook files for each employee, saving both time and effort.

Why Prefer BitRecover OST File Converter?

The updated version of Outlook OST Converter Tool is fully loaded with several advanced features which make it unique to convert OST files without the loss of data. BitRecover OST Converter Software supports Encrypted, Compressible, Exchange Server, IMAP, and Outlook OST (Offline Storage Table) files successfully without showing any error message.

Both OST File

Support Both OST File

The OST Converter Software is also compatible with both ANSI & Unicode OST files. OST Converter Tool can convert multiple OST files in a single click.

Converts All OST Data

Converts All OST File Data

The OST File converter is capable of converting emails, contacts, calendars, and other data into multiple email clients & email services.

Converts All OST Data

Compatible with All Outlook Versions

It is well-suitable for Microsoft Outlook 2021, 2019, 2016, 2013, 2010, and all versions ensuring that users can seamlessly convert their OST files.

OST Converter Tool

OST Converter Tool – Best Feature

The Outlook OST converter software provides some extra advanced features, for users looking to choose Outlook as output format, then they can easily split PST files into 2 GB, 5 GB, 10 GB, and 20 GB making it manageable for different storage needs. And you can create a separate file for each OST file so that data organization remains clear and accessible.

And when choosing a saving platform such as Office 365, Yahoo Mail, Gmail, G Suite, etc, then you can also select your desired language such as English, Spanish, French, German, Italian, Dutch, Finnish, etc.

OST Converter Software - Free Download

Know Minimum System Specifications to Download & Use the Tool with Ease

convert OST file
Software Name: BitRecover OST Converter Wizard
Version: 14.0
Size: 45.8 MB
License: Single User
Edition: Standard, Pro, & Migration
Release Date: April, 2025
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Trial Limitations

A free demo version of the BitRecover OST Converter tool is helpful to test the software and its conversion process. So, it is helpful to evaluate software's features. The free version is like the pro edition but converts a maximum of 25 emails per folder from the OST file to your chosen format.

System Specifications

Hard Disk Space
256.8 MB of free hard disk space

RAM
Minimum 2 GB RAM

Processor
Intel® Pentium 1 GHz processor (2.4 GHz is recommended)

Supported Editions

  • Microsoft Windows – Windows OS 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2022, 2019, 2016, 2012 R2, 2008
  • Mac OS – Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, etc.
  • Supported Source – Outlook ANSI and Unicode OST files.

Product Guides

Software Guide

Installation

Uninstallation

EULA

Electronic Delivery

The OST Converter software will be delivered automatically. After your payment is confirmed, you will receive an email with a link to download the product and the activation key.

OST Converter Tool - Comparison

Feature Comparison of OST File Converter Software - Free and Full Version

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  • Convert Unlimited OST Files
  • Load Mailbox Folders
  • Multiple Saving Options
  • File Naming Options
  • Windows 11 & All Previous Windows OS
  • 24*7 Tech Support & Secure 100%
  • Free
  • First 25 Items
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  • Download
  • Most Popular
    Full Version
  • All Items
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  • Buy
OST File Converter Software – Queries

Commonly Asked User's Questions and Answers Regarding OST Converter

5 Easiest Steps for using the OST Converter Software

  • Step-1: Download the BitRecover OST converter and launch it on your system.
  • Step-2: Now upload the required files/folders.
  • Step-3: Check/uncheck the needed data from the panel.
  • Step-4: Choose the saving option as per your need.
  • Step-5: Apply the filters and hit the “Convert” icon.

You can simply check for the synchronization of your OST file in the following steps:

  • Right-click on the offline folder to view its properties.
  • Open the Synchronization tab and read the synchronization info.

If the “#items” value is the same for the server folder and Outlook offline folder, then your OST is synchronized with Exchange Server. Otherwise, if values do not correspond, your OST is not synchronized with the Exchange Server.

You should go for the following approaches to manually fix crashed Outlook account:

Approach 1: Permanently Kill Outlook Ongoing Processes

Firstly, kill all the running processes for the Outlook application by the following steps:

  1. Browse Task Manager by pressing CTRL+ ALT + Delete.
  2. Click on the “Processes” option
  3. Choose all the running processes related to”Outlook”, “communicator”, “Lync”, “ucmapi”
  4. Click on the End Task option to kill all Outlook processes.

Approach 2: Disable Cache Mode

The Exchange cached mode might be enabled on your system, which may have crashed the application. Disable the cached mode in the following way:

  1. Exit the Outlook application and open the Control Panel.
  2. Browse Mail > Email Accounts > Email options.
  3. Select the account for which the error is generated.
  4. Click on the Change option to view settings.
  5. Unmark the Use Cached Exchanged Mode option.
  6. Click on Next and Finish to save the changes made.

Now, start the Outlook application to access your account without any error.

The Offline OST file can be easily synchronized with the server by making small changes in the settings. Once the changes are made your OST will get automatically synchronized and will make changes to the server upon establishment of the connection.

  1. Under Outlook account, browse Tools > Options > Mail Setup
  2. Click on Send/Receive option.
  3. Check mark Send immediately when connected option.
  4. Under the Send/Receive dialog box, choose to Perform an automatic send/receive.
  5. Click on Save to make the changes made.

There are two main situations to create an OST file:

  • In the latest MS Outlook editions if any user configures MS Outlook with IMAP protocol then it creates *.OST file to save data
  • If MS Outlook is configured with POP3 protocol (POST Office Protocol3) then it will create a Outlook file to save data but if users connect POP3 configure MS Outlook with Exchange server then it creates an extra *.OST file also.

Microsoft Outlook provides a high level of security for OST files because most corporate users prefer it. But sometimes if MS Outlook got corrupted OST files can’t be accessed again in Microsoft Outlook. A lot of users want to convert their import OST to MS Outlook and other email clients so OST file conversion is important.

OST Converter Tool comes with 3 types of different licenses as follows

  1. Standard License – It is suitable for personal use; it can be installed on 2 computers and it gives 15 saving options.
  2. Pro License – It is suitable for business use; it can be installed on 5 computers and it gives 20 saving options.
  3. Migration License – It is suitable for migration projects; it can be installed on 10 computers and it gives 39 saving options.

Yes! It is well suitable software to convert OST file that is not connected to an MS Exchange server.

Yes, BitRecover OST Converter Tool supports NST file conversion. The software supports .nst files created by Outlook Connector for IBM Lotus Domino, which is an add-in for Microsoft Outlook. Also supports the conversion of Outlook 2016 .nst files Outlook.nst, Office 365 .nst files.

Yes, OST Converter Software supports the export of large OST files easily.

OST File Conversion - Client Reviews

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