BitRecover®

OST Converter Tool

A safe and reliable software to convert Outlook OST files into 35+ file formats, email clients, cloud and on-premises servers. Works on corrupted, orphaned and inaccessible OST files too. No Outlook, no Exchange profile and no IMAP server needed on Windows or Mac.

  • Export Outlook OST file to PST, MSG, EML, MBOX, PDF, DOC, and many more.
  • Batch convert OST files without size limitation and save your valuable time.
  • Supports OST file conversion with emails, contacts, calendars, tasks, notes, and all.
  • Preview every folder before you convert and tick only the ones you need.
  • Automatically detect and add Exchange / Outlook OST files to software panel.
  • Advanced filters to convert Outlook OST files by sender, receiver, time, and subject.
  • Keeps folder structure, headers, timestamps and formatting exactly as they were.
  • Recovery Mode opens badly corrupted OST files that Outlook will not open.
  • Multiple file naming options to organize resultant single emails and documents.
35+ saving options in BitRecover OST converter
(Rating 4.8 Based on 2383 Ratings)

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Video

Guide

Awards & Recognition link
Top Performer Top Performer
100% Clean 100% Clean
NoSpyware NoSpyware
Trustworthy Tech Trustworthy Tech
x64 Compatible x64 Compatible
Verified Quality Verified Quality

Video Tutorial

BitRecover OST Converter Tool Video Guide

Users often need to convert OST files to accessible formats for data retrieval, backup purposes, or even to move them to another email client. This enterprise-grade utility makes it easy to fulfill this purpose, watch this complete video tutorial to perform OST conversion process:

  1. Download OST file converter and run it on your Windows or Mac system.
  2. Click on selection modes like "Select Files" or "Select Folders" to choose OST files.
  3. Then, check and uncheck required folders and subfolders for conversion.
  4. Further, select the saving option in which you need to convert your files.
  5. Lastly, select destination path and click Convert to start OST conversion.
multiple Saving Options

Versatile Export Options

Export Outlook OST File to 35+ Unique Formats

This trusted and awarded software offers a wide range of saving options so that users get all the necessary features to work with OST files in one place.

  • Email Formats: Convert OST to MBOX, PST, MSG, EML, EMLX, OLM, NSF, etc.
  • Document Formats: Export OST to PDF, HTML, MHT, XPS, RTF, DOC, and TXT.
  • Contact and Calendar: Convert OST contacts to vCard and calendars to ICS format.
  • Desktop Clients: Import OST to Outlook, Thunderbird, Windows Live Mail, Lotus Notes, Entourage, Apple Mail, etc.
  • Image Formats: TIFF, BMP, GIF, JPEG, and PNG.
  • Cloud Email Platforms: Import OST to Gmail, Yahoo Mail, Outlook.com, AOL Mail, Yandex Mail, and Zoho Mail.
  • Enterprise Email Server: Import OST to Office 365, Exchange Server (Hosted and On-Premises), IMAP Server, Zimbra Server, IBM Verse, and Amazon Workmail.
Advanced Customization Settings

Advanced Filters

Selectively Convert OST Files Using Extended Filters

To customize entire OST file conversion process, the BitRecover OST Converter Software has a number of filter options that ensure decluttered and ready-to-use output files. The available options are grouped like this.

  • Email Filtration: To select specific OST file emails, the user can apply the filters like Date Range, To, From, Subject, Excluded Folders, and Exclude Empty Folders.
  • Folder & Mailbox Organization: The options like Root Folder and Organizer help to specify the parent folder and sort the calendar items based on the email address, respectively.
  • Other Configuration & Processing Options: Use Microsoft Graphs, Contacts, Calendars, Create Exception Log, Import Settings, and Export Settings are other options which help in using the particular settings, eliminating unwanted files, and driving quality output every time.
  • Import / Export Settings: First, export your custom preferences into a single configuration (.cfg) file. Later, import configuration file to reuse same filter settings for OST conversion.
advance preview feature

File Explorer View

Convert Outlook OST File Items Selectively

Another leading feature of BitRecover OST Converter is that it scans the selected folder and auto-fetches the OST files, no matter the level of folder-nesting in it. This eliminates the manual hassle to check out each folder one by one and then select the OST file for conversion.

The best thing is that it maintains that original folder hierarchy even after OST file conversion to ensure 100% data authenticity, management, and ease of access. Over and above that, this awarded utility works in the background settings as well. This means that the user can initiate the process, minimize the tool, and start working on other projects, without worrying about the fact that conversion would stop.

The main goal of introducing this feature is to boost users' overall productivity. Users can select only required items and skip unnecessary items when converting OST files. So, this is the most helpful feature for crucial data conversion.

Complete OST Conversion, Including:

emails

Emails

contacts

Contacts

calendars

Calendars

tasks

Tasks

notes

Notes

journals

Journals

Key Features

Distinctive Functionality of OST Converter Software

add data

Multiple OST Selection Modes

OST file converter is lab-tested to support a large number of OST files in a single batch. To keep the file selection process smooth, it has two primary options: "Convert configured Outlook mailbox data" and "Let me select my Outlook mailbox data". They basically help to fetch the installed Outlook mailbox data and choose specific OST files or an entire folder (using Select Files and Select Folders options, respectively.

contacts and calendars

Export OST File Contacts & Calendars

OST converter is developed with high-tech features to even support the OST contacts and calendars without any hitch or glitch. It is a recommended solution to extract contacts from OST in a standard format (VCF) with accuracy. The user can also choose to convert OST calendars to ICS files to effortlessly import them to any desired email platform, application, or device.

convert damaged

Convert Damaged OST Files

To access and work with even mildly or severely corrupted OST files, this tool has a dedicated option called Recovery Mode. By ticking this, the software allows the user to repair damaged OST files and save them in the required formats. It basically detects the structural errors that are causing the corruption and then reconstructs the data to recover and rebuild it for further conversion.

convert with components

Support All OST Attributes

BitRecover OST Converter is known for its reliability since it supports all the elements of an OST file. This includes email properties such as CC, BCC, date, time, hyperlinks, text, subject, in-line image, signature, and internet header. It also supports mailbox items like trash, draft, labels, sub-labels, and many more. This represents the authenticity and credibility of this software to stay stress-free from data loss.

simple graphical interface

User-Friendly Interface

To make sure that everyone from corporate employees to students can swiftly convert OST files. It is easy-to-use tool is infused with the most user-friendly interface. It has dedicated tabs, buttons, and panels for each feature that a user may require during the OST file conversion process. Therefore, the user does not need any professional assistance, manual reading, or prior technical background to get accurate output.

standalone tool

Standalone and Risk-Free Tool

The certified BitRecover OST Converter is an independent solution that works without the need to install, integrate, or configure any third-party tool or plugin. It neither requires Outlook nor an Exchange profile or IMAP server support to convert OST files in the desired format. This feature not only makes the process easier but also keeps your sensitive OST file data secure from going to the cloud or a third-party platform.

dedicated support

Priority Customer Support

To provide a fast, customized, and simple solution to all the user queries, BitRecover OST Converter offers trusted customer support. This team of experts is available 24x7 and can be reached via call, email, and live chat. In case of in-depth discussion, video conferencing or scheduled meetings are also available.

naming options

Different File Naming Options

OST file converter by BitRecover also provides various file naming options. There are 13+ naming options, which are a set of multiple date formats, Subject, From, Entry Type, Start Time, Contacts, and Auto Increment. This intelligent feature helps to easily manage the bulk output files and effortlessly access the required ones.

convert encrypted

Convert Encrypted OST Files

This advanced utility empowers users to convert encrypted OST files without requiring the original password. It maintains your privacy by utilizing secure protocols, ensuring sensitive data remains untouched during the transition. Engineered for professional standards, it guarantees total data integrity and a risk-free OST conversion process for users of all technical backgrounds.

language option

Change Language Option

This option allows you to rename the Outlook standard OST folders in your desired language. The currently available options are English, Dutch, French, German, Spanish, Swedish, Norwegian, Italian, Finnish, Polish, Czech, and Portuguese. Therefore, after conversion, finding the mailboxes in your native language would be helpful to understand the type of emails in them.

exchange supported

Exchange & IMAP Server OST Supported

The tool is advanced enough of working with OST files of Microsoft Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, etc., and Exchange Server SE (Subscription Edition), 2019, 2016, 2013, 2010, 2007, 2003 (SP1, SP2, SP3), etc. It also supports IMAP Server OST (Offline Storage Table) files to provide a compatible solution to work with all types of OST using one tool.

customization

Real Time Developer Available

BitRecover has an in-house development experienced team to add new features in the OST Converter as per the user requirements. For this, user has to connect with the dedicated support team, discuss the add-ons you want, and then proceed with the formal procedure to get the customized solution in no time. The delivery speed, transparency, and depth of understanding are what make our team stand out of the crowd.

compatible with all ost

Compatible With All OST File Types

The OST conversion software is compatible with encrypted, compressed, configured, large, inaccessible, and orphaned OST files. It also allows to export them in multiple email, document, email client, and email server formats with the fastest speed.

remote certified services

Remote Certified Services

This enterprise-grade OST Converter tool also offers services to bulk convert your OST files on your behalf. This entire process is safe, certified, and performed by our trained engineers who ensure end-to-end encryption of data. Choosing this service not only eliminates the hassle but also vanishes the risk of data loss due to any uncertainty.

log report

Generates Log Report

After the OST files are converted successfully, the BitRecover OST file converter tool 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.

high speed

Fast Conversion Speed

To boost user productivity and save the resources, the BitRecover OST Converter works quickly, without any errors. Thus, it is lab-tested to support a large number of OST files and convert them to the selected saving option in very less time as compared to other methods and tools available in the market.

BitRecover OST File Converter - Key Distinctive Features

The updated version of Outlook OST Converter Tool is fully loaded with several advanced features which make it unique to convert OST files without data loss. It is digitally-signed by DigiCert, Inc. (US) using SHA 256 Digest Algorithm and RSA Digest Encryption that makes the file conversion process safe, preserving its formatting and properties without any alteration. No third-party interference is applicable in this smart utility to convert OST files.

Batch Conversion

100% Secure

Virus-free tool to convert password-protected and other OST files while ensuring total privacy.

Flexible Loading

Flexible Loading

Select individual files or entire folders of OST data to process bulk conversion without any lag, loss, and manipulation.

Universal Support

Universal Support

Compatible to support all OST editions and give quality output which are ready to import, share, edit, archive, etc.

ost converter tool

Why BitRecover OST Converter Tool?

The Outlook OST File Export software provides a very sophisticated functionality to users looking to choose Outlook as the output format.

Through this, users can easily split PST files into 2 GB, 5 GB, 10 GB, and 20 GB, making it manageable for different storage needs. Users can also create a separate file for each OST file so that data organization remains clear and accessible.

It has almost all the features in one place which a user may need to convert OST file as per their work requirements. From a range of selection modes and saving options to ease of use and customer support, it has all of them.

Real-World Scenarios

Impactful Use Cases of OST Converter Wizard

home users

Individual/ Home Users

Migrate standalone OST files into print-friendly formats to preserve personal communications for years to come. This tool keeps high-resolution photos and original layouts intact, making your memories easy to share with future generations without needing Outlook.

it professionals

IT Professionals

Large-scale OST data can be consolidated into organized formats, maintaining the original folder structure for technical correspondence. By using custom file-naming conventions, professionals can ensure that migrated data remains structured and easy to retrieve during internal audits.

business users

Business Users

Transform critical corporate communications into portable formats to keep business history accessible on any device. It preserves attachments and rich-text formatting, ensuring records are searchable and professional during internal reviews or audits.

researchers

Students & Researchers

Convert scholarly correspondence into standardized formats for better primary source organization during research projects. The utility maintains message headers and timestamps, making citations academically easy to reference in your final bibliography.

forensic investigation

Forensic Investigation

Individual Outlook files can be converted into universally accepted formats, making it ideal for legal professionals preparing discovery evidence. The tool preserves critical metadata, including message headers, internet traces, and original timestamps, to ensure records remain legally compliant and tamper-proof.

legal and compliance

Legal & Compliance

Internal company communications can be transformed into static, non-editable formats for long-term regulatory compliance. This utility preserves the exact message layout, including attachments and timestamps, so your organizational records are securely archived and easily searchable during financial audits.

System Requirements

OST Converter Software Minimum System Specifications

ost converter tool
Product Name: BitRecover OST Converter Wizard
Version: 26.2
Size: 48.0 MB
License: Standard, Pro & Migration

Trial Limitations

Download the OST Converter trial version to test and evaluate the software and its features. Please note that its free version of the Windows & Mac OS is limited to converting only the first 25 items from each folder to the selected saving option.

System Specifications

Hard Disk Space
200 MB of free hard disk space

RAM
4 GB (Recommended)

Processor
Intel® Pentium 2.4 GHz (Recommended)

Supported Editions

  • Microsoft Windows: Windows OS 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2025, 2022, 2019, 2016.
  • Mac OS: macOS 27 (Golden Gate), macOS 26 (Tahoe), macOS 15 (Sequoia), macOS 14 (Sonoma), macOS 13 (Ventura), macOS 12 (Monterey), macOS 11 (Big Sur), mac OS 10.15 (Catalina), macOS 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12 (Sierra), OS X 10.11(El Capitan), OS X 10.10 (Yosemite), OS X 10.9 (Mavericks), OS X 10.8 (Mountain Lion), etc.
  • OST Files: Exported from Microsoft Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 98, and 97 in both ANSI and Unicode formats.

Product Guides

Software Guide

Installation

Uninstallation

EULA

Electronic Delivery

We automatically send you an email containing a download link and activation keys once your payment is confirmed. Then, you can easily activate the product to start using it.

Feature Comparison

OST Converter Tool Free Vs Full Version

  •  
  • Multiple Selection Modes
  • Various Saving Options
  • File Naming Options
  • Mac & Windows Support
  • Batch OST Conversion
  • 24*7 Tech Support
  • Price
  • Free
  • ✔
  • ✔
  • ✔
  • ✔
  • First 25 Items
  • Basic
  • $0
  • Download
  • Most Popular
    Full Version
  • ✔
  • ✔
  • ✔
  • ✔
  • Yes
  • Extended
  • Starting from $39
  • Buy

Frequently Asked Questions

Common Questions and Answers About OST Converter

No, BitRecover OST Converter Wizard is a completely standalone utility. It operates independently without installing MS Outlook and Exchange Server.

Yes, software comes with Recovery Mode option that allows users to repair and convert damaged OST files. This utility is fully compatible with orphaned OST files as it works without Outlook.

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

  • Standard License: It is suitable for personal use; it can be installed on 2 computers, and it gives 15 saving options.
  • Pro License: It is suitable for business use; it can be installed on 5 computers, and it gives 20 saving options.
  • Migration License: It is suitable for migration projects; it can be installed on 10 computers, and it gives 35+ saving options.

Yes, OST Converter Software is lab-tested and recommended to export large OST files easily.

Yes, OST file converter maintains data integrity, nested folder structure, inline images, hyperlinks, signature, and complete header data (To, Cc, Bcc, From, Time, Subject).

In case when Exchange Server is crashed, Outlook account has been deleted from the device, or users want to switch from Outlook, they need a reliable OST converter. Apart from this to backup mailboxes, repairing corrupted OST, or to access orphaned OST files, users need a simple yet advanced OST Converter tool.

Yes, this software allows to convert password-protected and encrypted OST files without requiring password.

When a user says orphan OST files, they basically mean that they have found a file with the .ost format. Such files are mainly sourced from inactive, removed, crashed, or deleted accounts of Outlook, Microsoft 365, and Exchange. In addition to that, when a user switches to another device without moving the Outlook data, they also get orphaned OST files. Apart from this, there are other pathways as well that lead to the creation of such lost OSTs.

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