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Kernel OST to PST is a great email recovery tool for Microsoft Exchange Server and is designed to Convert inaccessible Microsoft Exchange Offline Storage File (OST) to Personal Storage File (PST) which can further be used in Microsoft Outlook and any other Email clients.

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Kernel Exchange OST Recovery is an OST to PST conversion software. Software uses a faster conversion algorithm to convert the unusable Microsoft Exchange Offline Storage (.OST) file to a usable Personal Storage (.PST) file that can be used with Microsoft Outlook.

Advanced benefits of OST repair tool.

Each feature of the software commits a distinct action that quickens the OST repair process and recovers the complete mailbox along with all its associated features and metadata.

EDB File to PST Conversion without Outlook

Export OST to Office 365 Mailbox Simplify your data migration process by using the OST repair tool to repair corrupted OST files to a cloud-based Office 365 Mailbox. With its easy steps, migrate your data without any hesitation.

Deleted Exchange Mailbox Recovery

Restore OST to Exchange Server Restore corrupted or damaged OST files for a better migration to email servers such as Exchange Server, Lotus Domino, and Novell GroupWise. It’s compatible with Exchange Servers like 2019, 2016, 2013, and all.

Transfer Office 365 to Office 365

Migrate OST Items to Gmail after OST Repair After converting OST files to PST, synchronize your PST files with different emailing servers like Gmail, Yahoo, iCloud, Google Apps, Outloook.com and AOL. Synchronization of PST files is relatively seamless.

Transfer Live Exchange to Live Exchange

Preview OST Mailbox Items Preview OST files into the tool’s page and know the status of your repairing files. When repairing is finished, you can preview all the emails with attachments, calendars, and tasks in the dashboard.

Easy-to-Use Export Options

Save OST Emails to Multiple Formats Repair OST emails effortlessly into different formats, including PST, DBX, MSG, EML, TXT, RTF, HTML, MHTML, and PDF, with this extraordinary OST repair tool. Enjoy seamless data conversion without losing any data.

Advanced Search within Mailboxes

Split PST by File Size Large OST files have more chances of getting corrupted in a shorter time. This OST repair tool repairs large OST files like 1GB, 2GB, 3GB, and more into small PST files accordingly.

*Download trial version and Save 25 items per folder free.

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Frequently Asked Questions.
Use these steps to recover OST data instantly:
  1. Run the OST recovery tool.
  2. Select a suitable option and add a single/multiple OST file(s).
  3. Preview the recovered OST file content.
  4. Choose PST format for saving the recovered data.
  5. Select data filters to recover data selectively.
  6. Select the option for PST splitting.
  7. Give the destination and finish the OST recovery.
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\
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.
Yes, you can convert items as per your requirement with the Filter option of the tool. This tool allows you to select the mailbox folders and then apply filters like From, To, Subject, Folder Name, Item Type, and Date Range. Also, it has an additional option to exclude deleted items at the time of conversion.
Yes, this tool migrates OST files generated by different webmails like Gmail, Outlook.com, Yahoo, etc. in IMAP configuration. Also, it supports Exchange OST files.
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.
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
Yes, the tool comes with a unique feature of splitting a file. You can select a size limit in GB. Once you select the size there, let’s say 2GB, and your file is 6 GB, at the end of the process, your file will be saved in 3 different files with 2GB size each.
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.
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.
With our solution, you can convert 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.'
No, you do not have to renew the license of the tool any day. The tool comes with lifetime validity, and you only need to pay once. Also, you can upgrade the tool to the latest version with the existing license.

Software Specifications

About Software

  • Version: 21.1
  • License Type: Personal, Home, Corporate & Technician

Version Support

MS Outlook: Office 365, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98 and 97

Operating System

Windows 365, 11, 10, 8.1, and older versions, Windows Server 2022, 2019 & older versions

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