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12 Best OST to PST Converter Software of 2019

Category: B2B News
What is the best OST to PST converter software?
The best OST to PST converter software is SysTools, an all-in-one utility for Windows systems. It ensures full data conversion from OST files such as emails, calendars, contacts, notes, and tasks into PST format. It allows batch conversion, file migration along with attachments, selective email export, file scanning and previewing, and decryption of encrypted OST file. It also offers advanced filtering, export options, and a full-featured free demo version.

If your company’s Microsoft Exchange Server stops working or you’re migrating data from OST to PST or, worse, you have problems affecting Microsoft Outlook like registry, installation or configuration, it’s time to get a reliable OST to PST converter. The best of the lot can address OST file corruption due to viruses and infections, user account deletion, lack of storage space, etc.

In this article, we’ll go through the 12 best OST to PST converter software you can use to address issues such as those above. Those issues, depending on extent and severity, can render some or all of your MS Outlook files (emails, contacts, calendar, etc) in the Exchange Server unusable.

While email management software can give you capabilities like advanced file search, it may fall short of finding corrupted or deleted files. A converter tool will help you find and access orphaned, damaged or missing OST files, recover and convert them to PST or any preferred format, and save them in your computer hard drive (or other storage location) with the original file information and structure intact. The good news is, you have plenty of such tools out there, but it easy to get lost with so many vendors vying for your attention. We’re here to help with this list so that when buying time comes, you’ll be able to make an informed decision.

ost to pst converter

Many business organizations that have Microsoft’s Office productivity suite rely heavily on MS Outlook because of its many helpful features. Businesses, professionals, and employees use it on a daily basis to manage emails, tasks, and contacts; take notes and keep journals; perform messaging and voicemails, and even connect directly with social media. Organizations powered by Microsoft’s business tools utilize Outlook as a communications platform for internal and external purposes.

MS Outlook currently comes third in email client market share, next to Gmail and Apple iPhone. After all, Outlook has been one of the leading email management tools for businesses since the start. As of 2018, Outlook boasts of more than 400 million active users worldwide. The advantage that they have is that Outlook works with Microsoft Exchange Server for multiple users in an organization, allowing for shared calendars, mailboxes, and public folders. This facilitates collaboration and boosts productivity.

But things can go wrong and this is where OST to PST converter kicks in. Through a few simple clicks, the software goes through and takes care of the basic processes as shown below.

Factors to consider in OST to PST converter software

What do you look for in an OST to PST converter? Most solutions carry similar features and capabilities such as the following:

  • Tool for OST to PST conversion, making file items accessible through Outlook
  • OST or PST file transfer and migration
  • Scan and locate OST and PST files
  • A simple interface and quick commands
  • Compatibility with latest Windows, Microsoft Outlook, and Exchange versions
  • Recovery Mode for getting as much data as possible from a source file

Some vendors offer more sophisticated tools and advanced editions for technicians or enterprise use. They may carry IT management software functionality like the following:

  • Saving to email servers or web-based email clients
  • Backing up files to centralized data storage or archiving system
  • Converting orphaned OST files (those not connected to the Exchange Server)
  • Deep level scanning and automatic detection of OST files on your PC
  • Converting OST files on your corporate network
  • Custom OST conversion solution for specific company requirement

While there are common features, there are also unique offerings that you’ll learn as you go over our 12 best OST to PST converter software list below. Take note that these are all on-premise solutions that you purchase from the vendor, download and install on your Windows computer, and enable using an activation key.

Top 12 OST to PST Converter Software

1. SysTools OST to PST Converter

SysTools OST to PST Converter dashboard example

SysTools OST to PST Converter is from SysTools Solutions, a pioneering provider and developer of systems technologies used by millions of IT administrators and computer users. It has dozens of products in its lineup including those for data recovery and migration, file conversion and repair, digital forensics, cloud backup, and more. It counts among its clients well-know global companies such as IBM, Emirates, and HP. SysTools OST to PST Converter is its primary utility software to export, backup, and convert OST files not only to PST but also to Office 365, MSG, EML, and  HTML.

The tool ensures full data conversion from OST file and is capable of exporting batch OST to PST all at once. It also has the capability to decrypt the OpenPGP encrypted OST file then change orphan OST file to PST format. It can likewise remove the S/MIME (secured Multi-Purpose Internet Mail Extention) security. SysTools OST to PST Converter can be downloaded from the vendor site and you simply install on your Windows system. It supports Outlook 2016, 2013, 2010, 2007 formats and all Windows versions. The software comes with a free demo version that is limited for backing up, saving and exporting 25 items per folder, and a full version that costs $49.

Why Choose SysTools OST to PST Converter?

  1. Easy to use all-in-one utility tool
  2. Quick & advanced scanning of OST files, depending on levels of corruption
  3. Complete backup, recovery & extraction of all offline OST files & items
  4. Convert single or bulk OST files to PST
  5. Search all or selected drive, auto locate, and export OST files by batch
  6. User-defined & date-based filtering option
  7. Preserve OST file metadata after conversion
  8. Generate complete export/conversion report

2. Kernel for OST to PST Converter

Kernel for OST to PST Converter dashboard example

Kernel for OST to PST Converter is one of over a hundred Kernel products developed by the company Lepide Software for computer professionals, IT experts, and system administrators. The company offers solutions for data recovery, software monitoring, backup, and data security, Outlook tools, and cloud migration, among others. Among its half a dozen tools for email migration include Kernel for OST to PST Converter which specializes in converting OST emails to PST, MSG, EML, Office 365, and Exchange Server.

The software allows you to retrieve user mailboxes from OST files that are damaged or orphaned and convert them to PST format regardless of Outlook edition. You’ll also be able to transfer OST mailboxes and files to PST files to any current or prior versions of MS Outlook and enable the complete recovery of inaccessible or corrupted OST files and convert them to PST. Recovery includes all elements like existing or deleted emails, journals, calendar items, journals, and even attachments. The software has a free trial version with full features but limited to saving only 25 items. Its full version comes with unlimited saving capabilities and is offered in four licenses – persona, home, corporate, and technician with prices ranging from $69 to $299.

Why Choose Kernel for OST to PST Converter?

  1. Smooth migration from OST to PST & compatibility with all version of Outlook
  2. Direct export without data loss of OST files to cloud-based Office 365 mailbox
  3. Recover/repair corrupt or inaccessible OST file
  4. Restore OST to all & current versions of MS Exchange Server
  5. Search tool for finding a specific message in OST file
  6. Integrated function to split PST file according to a particular size
  7. Graphical migration reports based on item type, sender, mail flow density by date, etc

3. SysInfoTools OST to PST Converter

SysInfoTools OST to PST Converter dashboard example

SysInfoTools OST to PST Converter is part of over 70 Windows system utilities offered by the SysInfoTools Software Company that was established in 2010. The converter solution allows you to export multiple offline OST files to Outlook PST format and comes with innovative features that make it a highly rated product. Aside from bulk conversion, it is able to let you search, preview, filter, speed convert, and even export damaged or corrupted OST files and transform them into your desired file formats like PST, EML, DBX, MBOX, MSG, and Archive. Being lightweight and offering a small footprint of exe file means you get ultra-fast scanning, recovery and conversion speeds.

SysInfoTools OST to PST Converter comes with a free version limited to work on 25 emails. Its full version is priced at $69 for a home license. Prices are higher for the corporate and technician license. There are also bundled offerings like the OST recovery with PST plus BKF recovery package, and an Outlook Management Toolkit.

Why Choose SysInfoTools OST to PST Converter?

  1. Fast conversion & quick scanning
  2. Convert emails, contacts, tasks, journals & to-dos from Exchange OST to PST
  3. Export password protected Outlook OST file to PST format
  4. Convert corrupted or damaged Exchange OST files
  5. Precise migration with date range filter, search & preview
  6. Bulk conversion of files & folders in a single run
  7. Multiple customizable options to convert & save data files

4. Aryson OST to PST Converter

Aryson OST to PST Converter dashboard example

Aryson OST to PST Converter is a popular tool from Aryson Technologies, Inc., a developer of a range of products for email management and migration, password and data recovery, and Windows utility tools. This particular tool is built for converting OST to PST files or opening offline Exchange OST mailbox in Outlook. It can likewise repair offline OST files and export all mailbox items, including attachments, into formats like MS Outlook PST, EML, MSG or MBOX. Getting a detailed look into your mailbox’s content before converting and saving them into a PST file is made possible with a smart preview feature. The software is able to maintain the original OST data intact during conversion.

Aryson OST to PST Converter is noted for its simplicity and usability. Even those with no technical background or prior expertise can use the software with its easy and interactive user interface. A free version is available but only gives you a preview of conversion and you won’t be able to save converted files. A full version is offered at $49 for a single user. There are higher priced versions for administrators and technicians, and multiple licenses for business, corporate, and enterprise use.

Why Choose Aryson OST to PST Converter?

  1. Fast and secure OST to Outlook PST conversion, export, and saving
  2. Export OST mailbox items into Mac Mail (MBOX) & Windows Live Mail (EML)
  3. Convert normal as well as corrupted OST files
  4. Advanced & automated search & locate OST files in the system
  5. Take snapshots & save & upload them for future use
  6. Generate LOG file of the full conversion process
  7. Compatible with all versions of MS Windows OS

5. Stellar OST to PST Converter

Stellar OST to PST Converter dashboard example

Stellar OST to PST Converter Software is a Windows utility tool from Stellar Data Recovery Inc., an IT company started in 1993 known for its multi-awarded products that are used in 190 countries around the world. The converter tool gives you a solution for moving Microsoft Exchange Server data or when the Exchange Server is not functioning. Whatever is your situation, Stellar OST to PST Converter performs risk-free, no data loss conversion of emails, calendars, contacts, journals, and notes. It allows the conversion of encrypted OST files to PST or their most compatible Outlook format. It supports files created with all older versions of MS Office and restores the formatting of HTML and RTF that come with the OST file.

Stellar Phoenix OST to PST comes with a built-in Find Outlook File option that helps in searching for missing OST files in case you want to look for said files manually. The software is available in three editions with one-year licenses – corporate, technician, and toolkit. Corporate is pegged at $79 but allows for only five mailbox conversions. The other two editions offer unlimited conversions.

Why Choose Stellar OST to PST Converter?

  1. Recover inaccessible items like emails, calendars, contacts, etc
  2. Preview all recovered items after scanning & before conversion
  3. Find, organize & arrange emails after scanning
  4. Save converted files in the desired format including PDF, MSG, EML, HTML, and RTF
  5. View & save the log report of all OST to PST conversion processes
  6. Search & save specific messages from the converted OST file
  7. Automatically installs are free software updates

6. Softaken OST File Exporter

Softaken OST File Exporter dashboard example

Softaken OST File Exporter is an email management solution for converting and exporting OST files to various formats such as PST, EMLX, EML, MBOX, and MSG. It can safely and securely scan, retrieve, and extract data from offline OST files regardless of the Windows operating system and Exchange Server versions. It can convert password protected files, recover Server Outlook OST files, and even convert OST to VCF format which allows sharing and viewing of contacts on tablets and smartphones. It ensures no data loss, can perform silently in the background and allows detailed previews.

Softaken OST File Exporter lets you arrange all your files based on your preference whether by subject, date, subject, attachment, and sender or recipient, attachment. This allows better organizing and structuring of content so you can work faster and more efficiently. The software is available for enterprises and businesses (multi-user and lifetime license), and for personal use (one year license for two PCs) starting at $49. Free trial and demo versions are offered.

Why Choose Softaken OST File Exporter?

  1. Support for encrypted password-protected files
  2. Support for ANSI & Unicode Outlook files
  3. Recover entire deleted mailboxes
  4. Preview data prior to conversion
  5. Preserve even non-English language
  6. Accurate data migration with no file changes
  7. Simple user interface

7. eSoftTools OST to PST Converter

eSoftTools OST to PST Converter dashboard example

eSoftTools OST to PST Converter gives you quick and effortless conversions of OST files to PST format. It allows transforming all sorts of OST files like emails, notes, contacts, tasks, calendars, and journals. You can recover orphaned, corrupted, and inaccessible OST files and folders and export them complete and intact. The software is designed to fix unique OST file errors such as Error Code 0x8004103b as well as common OST internal errors and service-specific errors. eSoftTools OST to PST Converter can handle bulk conversions regardless of the number or size of the files. Likewise, it can perform individual file conversion.

eSoftTools OST to PST Converter offers a trial version limited to saving and converting 50 items from every folder. There are no limitations with for the four full versions – personal, corporate, technician, and enterprise with prices ranging from $29 to $499. All these come with one-time payment perpetual licenses with limited or unlimited tech support and for use in two or multiple computers. The tool supports Windows 10 to XP operating systems, and seven versions of MS Outlook including the current one Outlook 2019.

Why Choose eSoftTools OST to PST Converter?

  1. Powerful algorithm to recover & repair corrupted OST files
  2. Selective conversion of OST folders into PST
  3. Split PST file during OST conversion & create smaller files
  4. Preserve internal properties of items as well as folder hierarchy
  5. Advance mail filtering for added flexibility
  6. Does not require MS Outlook to operate to enable OST file conversion
  7. Convert OST to Office365 cloud without the need for third-party apps

8. ATS OST to PST Converter

ATS OST to PST Converter dashboard example

ATS OST to PST Converter is from Ayush Technology Software company, maker of email management, email converter, password recovery, and other utility tools. The conversion solution applies a rich algorithm and advanced technology to repair corrupt or damaged OST files and convert them to your preferred format such as PST, EMLX, EML, MSG, MBOX, HTML, vCal, vCard, Office 365, and Live Exchange Server file types. It is able to recover, retrieve, and restore unreadable Outlook OST files and transform them into PST format with ease, speed, and accuracy.

The software is built to handle any levels of file damage and save recovered or repaired emails including all their data and attachments into PST as well as other formats. ATS OST to PST Converter is compatible with all Microsoft OS versions and supports new and previous versions of MS Outlook. The converter tool comes in three types of licenses – Site and Business for single company use at $299 and $99, respectively, and Personal for single person use at $39. A free demo version is available, limited to converting 30 emails per folder.

Why Choose ATS OST to PST Converter?

  1. Support cloud-based apps like Office365 and Live Exchange Server
  2. Full data integrity after conversion
  3. Recovery of attachments and items from corrupted or deleted files
  4. Convert single or multiple emails at once
  5. Instantly restore OST file items to original Exchange Server version
  6. Break large OST file to small PST files
  7. Deep auto scanning of all OST file errors

9. KDETools OST to PST Converter

KDETools OST to PST Converter dashboard example

KDETools OST To PST Converter is among several solutions offered by KDETools Software, a company that specializes in email management and data recovery products. The utility software features a converter tool for OST files to various file types, and import tools as well as filtering options. It also has retrieval and recovery capabilities for damaged or corrupted OST files and able to convert them into multiple formats including PST, MSG, and EML. It boasts of fast, powerful, and secure conversions, maintaining file and data integrity.

KDETools OST to PST Converter can recover permanently deleted email items together with their meta properties like attachments, Cc, Bcc, time, date, subject, images, and documents. Even password protected or heavily encrypted OST files can easily be converted. The system is able to keep the original hierarchy and structure of internal folders which means you need not implement changes since the source folders remain the same. Personal license is priced at $49 and there are licenses offered for corporate and technician’s use.

Why Choose KDETools OST to PST Converter?

  1. Recover & convert inaccessible OST files
  2. Convert complete OST files including properties & attachments
  3. Maintain file & folder structure during conversion
  4. Display preview items with OST email files
  5. Save OST files in multiple file formats
  6. Demo version allows free preview of all recovered OST email items before conversion
  7. Compatible with all current & past versions of MS Outlook, Exchange Server & Windows OS

10. GainTools OST to PST Converter

GainTools OST to PST Converter dashboard example

GainTools OST to PST Converter supports all versions of MS Outlook and Microsoft Exchange Server and specializes in converting OST files to PST, EML, MBOX, VCF, HTML, and other formats. It lets you recover deleted items from your Outlook mailbox, export and save data from Outlook OST into your preferred format, and maintain message structure and mail privacy. You can also securely transfer message attachments, preserve the non-English language of contacts and emails, and support multiple OST files from various locations.

The software ensures high accuracy and safe recovery process of OST mailboxes including emails, posts, tasks, calendars, notes appointments, and contacts. It can support the conversion of OST files of whatever size and complexity and offers file filtration controls for locating OST files from different folders and locations. GainTools OST to PST Converter comes with a free trial version limited to 10 file conversions. Full versions can be purchased for personal, business, and enterprise use with prices ranging from $49 to $499. 

Why Choose GainTools OST to PST Converter?

  1. Fast & error-free conversion
  2. Multiple file format & file location support
  3. Custom selective or batch migration
  4. Preview box for showing folder items, files & content
  5. Run software on multiple versions of Windows
  6. Support for cached, corrupted, encrypted or password protected OST files
  7. User-friendly, interactive interface

11. Regain OST to PST Converter

Regain OST to PST Converter dashboard example

Regain OST to PST Converter is a professional OST to PST conversion and OST file repair tool from Regain Software, a provider of email backup, email migration, and data recovery solutions. The utility software is designed to retrieve and repair damaged and corrupted OST files and able to convert these files to PST and other formats. Conversion is fast and safe with the software able to keep original file integrity including folder hierarchy and file metadata. It can convert large size OST files and transform them into smaller pieces of Outlook PST files. The converter tool supports formats such as PST, MSG, EML, MBOX, ICS, HTML, and VCARD.

Regain OST to PST Converter is capable of converting even small OST file details together with all attachments and file information without any data loss. It can convert and save OST files in bulk and batches and transform them into PST format in one go. You also get the option to selectively convert specific files. The software is offered for home, corporate, and technician use with license prices ranging from $39 to $149.

Why Choose Regain OST to PST Converter?

  1. Convert all aspects of OST files to PST format
  2. Export corrupt OST files to PST while retaining the accurate & original form
  3. Filter & exclude unwanted OST data & emails
  4. Maintain original formatting & file & folder hierarchy
  5. Open & access encrypted OST file
  6. Preview all recoverable data before saving
  7. No file size limit for conversion

12. SysBud OST to PST Converter

SysBud OST to PST Converter dashboard example

SysBud OST to PST Converter is from SysBud Software Solutions, maker of various cloud backup, email migration, and data recovery products. The converter software is a powerful tool for converting OST files into PST files. It is equipped with features for deep scanning of files, keeping attachments, securing all OST data, repairing corrupt OST file, and maintaining folder hierarchy. It can recover large OST data regardless of file size, easily repair orphaned or corrupted OST files, restore deleted files from folders, and export in files in bulk.

SysBud OST to PST Converter is particularly useful if you need to files intact, including their information and format, after conversion. It is able to retain and repair all the properties of corrupted files after conversion with no issues such as loss of data or integrity. The software is available in three license plans – Personal at $49 for two computer systems, Business at $149 for up to 50 systems, and enterprise at $299 for 100 systems. All plans come with lifetime validity, free updates for one year, and 30-day money back guarantee. A demo version is offered that allows for exporting the first 20 items from every Outlook folder.

Why Choose SysBud OST to PST Converter?

  1. Ability to pause & resume the conversion process at any time
  2. Easy & quick conversion in just a few clicks
  3. Uses a single wizard app to migrate multiple mailboxes in one go
  4. No file size limits & allows bulk file conversion
  5. Repairs old, corrupted, damaged & inaccessible OST files
  6. Complete & accurate conversion results
  7. Unlimited migration on all plans

Think of Other Formats, Too

Be sure the OST to PST converter has tools to migrate, convert, and save OST files to other formats, too. It should be able to do deep and fast scanning and locate files as well as recover and repair damaged and deleted files. Also important is its compatibility with present and past versions of Windows OS, MS Outlook, and MS Exchange Server. You never know when issues will crop up with these Microsoft systems so having OST to PST converter software around will come in handy. Moreover, it’s a good standalone solution to complement your IT security software for preventing the loss of critical files and information, and for recovering them in case problems occur.

By Jenny Chang

Senior writer at FinancesOnline who writes about a wide range of SaaS and B2B products, including trends and issues on e-commerce, accounting and customer service software. She’s also covered a wide range of topics in business, science, and technology for websites in the U.S., Australia and Singapore, keeping tabs on edge tech like 3D printed health monitoring tattoos and SpaceX’s exploration plans.

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