Kernel for OST to PST

Converts OST emails to PST, EML, MSG, Office 365, and Exchange

Download trial version and save 25 items from each OST folder free

Features Specifications Guide Screenshots Video FAQs Buy Now Download

Retrieves user mailboxes from orphaned OST files
Converts damaged OST files to PST (any Outlook version)
Converts large-sized OST files
Recovers permanently deleted Outlook mailbox items
Previews OST emails and converts them with complete integrity
Restores Exchange emails to Gmail/Outlook.com accounts
Finds and saves required emails to PST, MBOX, PDF, DBX, EML/MSG, etc.
Exports OST data to live Exchange & Office 365

Expert Reviews

I am reviewing Kernel for OST to PST application which in my Opinion, it should be renamed to OST to anything as apart from recovering from corrupted OST files and converting them to PST, you can export to practically anything Read more...

Noel Pulis(Microsoft MVP)

Kernel for OST to PST Converter makes it easy for you to recover your user mailboxes from orphaned OST files and then convert those files and even entire mailboxes into PST format. Damaged OST files are not a problem as the software can Read more...

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Client Testimonial

Kernel for OST to PST has amazing set of options at every stage of operation, I must say options for doing everything. For searching OST files, for saving data, for filtering, and for analyzing the file content. And the tool is not that difficult to use too.

Charlie Ben USA

I purchased this tool many years back and I was a little surprised to see that its license was for life time, and I could upgrade to the latest version without any additional payment. The upgraded version has many new features added to it.

John Mattis UK

I needed to recover some email messages which had been deleted several years ago and the only “archived’ source was an old volume snapshot backup containing the OST file. I recovered emails with Kernel for OST to PST converter.

Michael Ellison USA

Salient Features

Convert OST to PST

The solution allows smooth migration of OST items to PST file. It lets you export OST file to all versions of Outlook (PST file) like 2019, 2016, 2013, 2010, 2007, 2003 and prior versions.

Export OST to Office 365 Mailbox

You can export OST file items directly to a cloud-based Office 365 mailbox without any data loss. It involves no complex steps to import/export OST file to Office 365.

Corrupt OST Recovery

If your OST file is corrupt or inaccessible, Kernel for OST to PST converter helps you to repair it immediately prior to conversion. It provides a secure mailbox recovery (of existing/deleted emails, attachments, calendar items, etc.) against all OST corruption issues.

Restore OST to Exchange Server

The OST to PST converter allows you to migrate your OST file data straight to the connected email server – such as Exchange Server, Lotus Domino, and Novell GroupWise. The solution allows to restore OST to all versions of MS Exchange Server like 2019, 2016, 2013, 2010, 2007, 2003, 2000, 5.5 and 5.0.

Migrate OST Items to Gmail Account

Besides the option to convert OST to PST file, you can quickly export OST data items to several web-based emailing platforms like Gmail, Yahoo, iCloud, Google Apps, Outloook.com and AOL.

OST to MBOX Conversion

The OST to PST converter provides an additional benefit to migrate OST data to MBOX file of Apple Mail, Thunderbird, Entourage, Eudora, Postbox, Netscape and many more.

Preview OST Mailbox Items

The solution not only provides OST recovery, but also allows full mailbox preview of the contained emails (with attachments), tasks, calendar entries, contacts etc. within the Software Console.

Selected Email Migration

You can filter the important emails and items of OST file that you want to migrate, using Filter option. Refine your data items based on item type, date range, folder name and other provided filter fields.

Save OST Emails to Multiple Formats

You can save OST to PST file and various other messaging formats like DBX, MSG, EML, TXT, RTF, HTML, MHTML, & PDF.

Split PST by File Size

Manage your large-sized PST files with the integrated splitting function that lets you to split a PST file after according to a particular size – 1GB, 2GB, 3GB and so on.

Find Messages

You can immediately find any specific message from OST file using ‘Find’ option and enter the desired keyword to search the specific emails based on these search parameters: from, to, subject, message has attachment, and received before/after.

Create Graphical Report

The File Analysis Report feature enables you to generate a graphical report of the total items migrated from OST to PST file. You can create the report based on four different parameters like Mail Flow Density by Date, by senders, item types, and interaction between users.

Use Trial Version to Save for Free

Trial version lets you view and open the entire OST data items including deleted emails, attachments etc.) However, you can save up to only 25 items from each folder to PST or some other format free-of-cost.

Runs on all Windows Versions

OST to PST converter is designed to run on all Windows platforms including Windows OS (10, 8.1, 8, 7, Vista, XP, 2000, 98, NT) and Windows Server (2012, 2008 R2, 2008, 2003 R2, 2003)

Steps for OST to PST File Conversion

Kernel for OST to PST Converter software is integrated with advanced QFSCI algorithms. The tool thoroughly scans the damaged OST files, extracts entire email data and allows its user to save them in easily accessible MS Outlook PST files by following the steps mentioned below:

How to convert OST file to PST file?

Use steps for quick conversion:

Run Kernel for OST to PST tool.
Select Single/Multiple OST files.
Preview OST file content before saving.
Choose PST format among desired Output file format from the list of options.
Select desired data filters and convert selectively.
Set destination path and Finish conversion.

Where can I find my OST file?

The offline storage table (OST file) gets created only if you’ve enabled this option: Microsoft Exchange Server’s Cached Exchange Mode. You can use the default path on your Windows PC to find the OST file:

On Windows 10: C:\Users\user\AppData\Local\Microsoft\Outlook\
On Windows XP: C:\Documents and Settings\user\Local Settings\Application Data\Microsoft\Outlook\

Does the converter migrate attachments, contacts, calendars from OST to PST?

Yes, the tool does. The solution lets you to recover and migrate all mailbox items such as emails, attachments,drafts, contacts, tasks, calendars, etc. from OST file to PST file.

Will the tool make any changes to my OST data after conversion?

No, it does not. The OST to PST converter simply scans your OST file and recovers the entire data without making any alterations to its data integrity. The tool preserves the full mailbox hierarchy, and properties after the conversion.

Can the tool convert very large-sized OST file to PST file?

Yes, it can. The tool can smoothly convert any size of OST file to PST file, without worry about the file size restriction. Also, the tool lets you to specify the size after which you want to split the PST file, to make it safer and manageable.

I am not connected to Exchange Server. Can I use this tool?

OST to PST tool doesn’t need a live Exchange connection for its working. So you can use this tool for OST to PST conversion even without Exchange connection.

I don't want to convert OST files to PST. But just would like to read some of the OST emails. How can you help?

You can do this even without buying the tool. The free version of our solution offers the preview of entire OST data. So please try it. You even can save a few emails (25 items from every folder) to some selected formats.

Kernel for OST to PST is offering conversion of the entire data with complete integrity. What’s the assurance?

With our solution, you can convert is what you can see. Just download the free version of the tool, select the OST file, and preview the data. If you can view and read the item, you can convert it too. You can also test it by saving 25 items from the risky folders to the ‘trial version saving formats.'

Software Specifications

System Requirement

Supported VersionsMS Exchange Server - 2019/2016/ 2013/2010/2007/2003/ 2000/5.5 and 5.0
MS Outlook - 2019/2016/2013/ 2010/2007/2003/2002/2000/98 and 97
Outlook Express - 6.0/5.5/5.0 and 4.0

ProcessorPentium ClassOperating SystemWindows 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95
Windows Server 2016/2012/2008 R2/2008/2003 R2/2003

Memory + Hard Disk128 MB Minimum
50 MB of disk space

License Type

Home LicensePermits home users to use the software on single system

Corporate LicenseFor multiple machines within one organization at single location

Technician LicenseFor service providers to use for multiple organizations

Software Delivery & Version

ElectronicYes

Version18.1

Additional Information

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User Reviews & Ratings (319)

OST to PST

(4.7 / 5) 319 Reviews

Rebecca

As a fact, OST files are offline data storage files of Exchange mailbox. Therefore, converting these files with complete security is a task. But, this tedious task was easy to perform with the help of OST to PST converter tool. Great utility.

13.08.2018

LEON

You find an advanced tool for conversion of Offline OST file into Outlook PST and other file format, then I suggest that you to use the technique which gives the accurate conversion result. This tool is fine tools that are export OST mailbox into PST with complete existing folders with exact format.

24.04.2018

BLAKE

You can simply repair and convert OST file into PST format without any time-consuming and complex procedure. It is a very supportive application that allows you to export OST files into several email clients including Gmail, Yahoo, Outlook Express, Windows Live Mail, Mozilla Thunderbird and Outlook.com with entire details.

21.04.2018

Blake

Wow! It's a perfect tool to migrate OST file and its entire data to Outlook PST without any obstacles. I'm happy with the performance of this tool. Highly recommended software.

18.04.2018

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