How can I use the OST Converter Tool?

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.

How can I check whether my OST file is synchronized with Exchange Server or not?

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.

How can I automatically synchronize my Outlook OST file with the Exchange Server?

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.

What are the situations which create OST files with MS Outlook?

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 an Outlook data file (PST) to save data but if users connect POP3 configure MS Outlook with Exchange server then it creates an extra *.ost file also.

Which license of OST file converter is suitable for me?

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.

Does BitRecover OST Converter support the conversion of OST file which is not connected to the Exchange server?

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

BitRecover^®
OST Converter Wizard

Easy-to-use utility to bulk convert large, crashed, orphaned, IMAP, inaccessible, offline, ANSI, UNICODE, sensitive, or other unreadable OST files to accessible, healthy, readable, editable, or universally compatible formats in one go. Trusted by IT professionals for direct conversion of all OST file types on any latest edition of the Windows or Mac OS. OST Converter Wizard

(Rating 5.0 Based on 2889 Ratings - Verified Reviews)

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Download Free Trial
100% Safe & Secure

Purchase Now
30 Days Money Back*

One-stop solution to save OST file to prominent email formats, document formats, email clients, and more.
Desktop-based, offline OST Converter that works independently without the need of Outlook, Exchange Profile, or IMAP server.
Precision conversion of OST emails, contacts, calendars, tasks, journals, notes, and other available folders.
Custom folder naming and saving destination option to easily access and organize the output files.
Retains the original folder structure, email headers, timestamps, metadata, and formatting with 100% accuracy.
Next-gen Recovery Mode available to convert even the majorly corrupted OST files.
Advanced-filters like Date Range, To, From, Subject, Root Folders, Use Microsoft Graphs, Exclude meta headers, and more.
Multiple options to choose specific OST files or folders for a selective and bulk conversion.
Faster conversion speed and user-friendly interface to provide ease and efficiency together.
A free demo version is also available to test its efficiency to smartly and accurately convert OST files.

Download OST Converter Tool

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Video

Guide

Key Features

Distinctive Functionality of OST Converter Tool

Multiple OST Selection Modes

The 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 including, "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 entire folder (using Select Files and Select Folders option), respectively.

Export OST File Contacts & Calendars

This modern utility 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 and easily convert them to vCard and CSV formats with accuracy. The user can also choose to convert OST calendars to ICS, vCard, and CSV files to effortlessly import them to any desired email platform, application, or device.

Convert Damaged OST Files

To access and work with even the 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.

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.

Tech-Friendly Interface

To make sure that everyone from corporate employees to students can swiftly convert OST files, this 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 conversion process. Therefore, the user does not need any professional assistance, manual reading, or prior technical background to get accurate output.

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.

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.

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 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.

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 & 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 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.

Customized OST Conversion

BitRecover has in-house development team who are experienced and knowledgeable enough to add new feature in the OST Converter as per the user requirements. For this, you have to connect 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 deliverable speed, transparency, and depth of understanding are what makes our team stand out of the crowd.

Compatible With All OST File Types

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

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.

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.

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

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

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. And you 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 Application Scenarios

Impactful Use Cases of OST Data Conversion

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 Minimum System Specifications

Product Name:	BitRecover OST Converter Wizard
Version:	26.2
Size:	48 MB
License:	Standard, Pro & Migration

Trial Limitations

Download the OST Data 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 OST files 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

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.

Frequently Asked Queries (FAQs)

Commonly Asked Q&A Regarding OST File Converter

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:

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

Exit the Outlook application and open the Control Panel.
Browse Mail > Email Accounts > Email options.
Select the account for which the error is generated.
Click on the Change option to view settings.
Unmark the Use Cached Exchanged Mode option.
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.

Under Outlook account, browse Tools > Options > Mail Setup.
Click on Send/Receive option.
Check mark Send immediately when connected option.
Under the Send/Receive dialog box, choose to Perform an automatic send/receive.
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 an Outlook data file (PST) 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

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 39 saving options.

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

Yes, BitRecover OST exporter 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. It also supports the conversion of Outlook 2016 .nst files, such as Outlook.nst and Office 365 .nst files.

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

Manual methods are not dedicated converters which eventually puts the OST files data originality and safety at risk. Apart from this, they are very complex, slow, and hectic since there are no automation in them. Over and above that, they are dependent on multiple factors, third-party tools, and plugins to convert OST files manually.

In case when Exchange Server is crashed, Outlook account has been deleted from the device, or user 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.

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.

Therefore, to access, read, edit, or share these files, the user should get the certified BitRecover OST Converter as it supports all types of orphan OST files even if they are corrupted and lets the user convert it to other saving options as required.

Client Testimonials

Real Stories from the OST Converter Tool Full Version Community

Emma,

HR Manager, London

Recently, I opened my old laptop and found orphaned OST files of my deleted Outlook account. My friend suggested me to recover them using the BitRecover OST Converter and trust me, it was one of the best decisions. Within no time, it supported all those OST files and converted them in my desired format to easily read and import them in new account. If you are someone like me who wants quick, reliable, and simple solution then go for it today.

Stella,

Legal Assistant, Brazil

In one of my recent cases, my client showed up with some emails in OST format and to access them in readable formats as well as to present them in court, I used the simple to use yet advanced OST Converter by BitRecover. It converted those files in PDF form and assisted me extremely well to understand and share them as an unignoranle evidence.

Mason,

Student, Los Angeles

I am a university student and I have downloaded this OST file converter tool a few months back, to convert my corrupted research OST file. I tried all the online tools and software, but they did not work properly, then I got this BitRecover software, which easily converted all my OST file without worrying about losing any data. Thank You BitRecover – a recommended software from my end.