Kernel for OST to PST Converter Tool

Converts corrupted as well as healthy OST files to Outlook PST files

  • Convert OST to PST Files
  • Also supports large OST files. No File-size limitation
  • Allows saving of individual folders or entire OST hierarchy
  • Recovers deleted items from healthy as well as corrupt OST files
  • Inbuilt option to search OST files from any drives or disk of user’s computer
  • Preservation of all items including Exchange distribution lists, recurring appointments, and email attachments
  • Multiple options to save OST data in PST, DBX, MBOX, MSG, EML, TXT, RTF, HTML, MHTML, or PDF formats
  • Options to save data directly to email servers (like Exchange Server, GroupWise, IBM Domino) or Office 365
  • Options to save in web mails like company IMAP account, Google Apps, Gmail, Yahoo,, AOL, and iCloud
  • Lifetime license validity (no renewal charges)
  • Easy Refund Policy
  • Perpetual License
  • Unlimited files recovery
  • Electronic Delivery
Kernel for OST to PST Converter Features
Flawless OST to PST Conversion Flawless OST to PST Conversion

Accurately converts inaccessible/corrupt OST files into easily accessible MS Outlook PST files. You can convert unlimited number of OST files to PST files in a single attempt.

Recovers complete OST items Recovers complete OST items

Recovers emails (with full attachments), posts, appointments, contacts, tasks, meeting requests, journals, notes, and everything else. Email properties (like Subject, To, From, CC, BCC, Date, Time) are also recovered.

Converts encrypted OST files Converts encrypted OST files

It can efficiently convert encrypted and password-protected OST files to PST files, without hampering its data integrity.

Search for OST files Search for OST files

With this tool, it is not necessary that you remember the OST file location exactly. Its ‘Search’ option helps to locate the OST files in a drive or volume. You can then select a file for recovery from the list displayed by the software.

Filter OST data and save selectively Filter OST data and save selectively

Use the 'Find Message' option to instantly find particular email messages from OST file folders. You can search by criteria like From, To, Subject, Date, and attachments. These filtered items can be saved selectively.


This tool provides an option to convert corrupt or inaccessible OST files to EML format. This format is used many email clients including Windows Live Mail, Outlook Express and Mozilla Thunderbird.


The OST to PST tool is also capable of converting corrupt OST files to MBOX file format which is accessible in dozens of email applications including Eudora, Opera, Netscape, AppleMail, Postbox, SeaMonkey etc.


It also provides option to convert corrupt or damaged OST files to MSG file format supported by MS Outlook. Also, you can save OST items in different file formats – DBX, TXT, RTF, HTML, MHTML, and PDF.

OST to Office 365/Exchange OST to Office 365/Exchange

Save OST file data to Office 365 or to email servers (MS Exchange Server, Novell GroupWise, and Lotus Domino) directly (so that there is no need to use export/import features).

Saves 25 items free Saves 25 items free

Its trial version can be downloaded and installed free of cost. The trial version allows you recover corrupt/damaged OST files, and preview the mailbox items. But it allows you to save only 25 items from each folder.

Split PST files Split PST files

The OST to PST converter offers a splitting option (Split file after 1 GB, split file after 1.5 GB, split file after 2 GB, etc.) to save the data from large OST files in small, easily manageable PST files.

Easy to use GUI Easy to use GUI

The tool offers an easy-to-understand, and user-friendly GUI that lets you effortlessly recover and convert OST files even without any technical expertise.

Windows OS Platforms:

Windows 10/8.1/8/7/Vista/XP/2000/98/NT/95

MS Exchange Server:

MS Exchange Server 2016/2013/2010/2007/2003/2000/5.5/5.0

MS Outlook:

MS Outlook 2016/2013/2010/2007/2003/2002/2000/98/97

Outlook Express:

Outlook Express 6.0/5.5/5.0/4.0

Welcome screen of Kernel for OST to PST
Select source OST file
Preview of added OST email items
Saving of individual item in desired format
Select the output type
Inbuilt-criteria to filter out specific data
Filtration of data based upon diverse item types
Filter data based on selected date range
Define the size to split or add prefix
Define location for saving recovered data
Saving of recovered data in PST format
Save data in DBX format
Define email client and location to save data in MBOX file
Saving data into EML file
Provide login credentials for saving data into Office 365
Save snapshot of recovered file
Search any type of item across added OST file
1. What extra-ordinary features does Kernel for OST to PST Converter possess?

The tool possesses some of the extra-ordinary features that distinguish it from other available tools, such as:

  • Find Message: Makes searching and finding of required email messages an easy task. The messages can be searched in specified folders containing OST files on the basis of different search criteria like From, To, Subject, Received before (Date), Received after (Date), and Message has attachments.
  • Save Snapshot: Saves a snapshot of the repaired OST file at desired location to save the time consumed in rescanning the damaged OST files.
  • Load Snapshot: Lets user to load a previously-saved snapshot from specified location to continue with the OST file recovery process.
  • Save in multiple formats: Recovered OST files can be saved in PST, MBOX, MSG, DBX, EML, TXT, RTF, HTML, MHTML, or PDF file formats. Also, retrieved items can be directly saved to Office 365, web mails and email servers.
  • Preview before saving: Users can preview the recovered OST file data items to check the accuracy of data recovered before saving it in desired format at desired location.
2. Does OST to PST conversion require original Outlook profile using this utility?

No, Kernel for OST to PST software doesn’t require original Outlook profile while performing the OST to PST conversion.

3. Up to what file size limit I can provide the OST file for converting it into PST file?

You can provide an OST file of any size, there is no restriction on OST file size for converting it into PST file format while using the Kernel for OST to PST software.

4. Under what circumstances this OST file repair software proves helpful?

OST to PST converter effectively repairs those OST files that got corrupted, damaged or inaccessible due to various reasons like Exchange Server crash, database corruption, Microsoft Exchange Server downtime, accidental user account deletion, corruption in Exchange Server, virus-attacked OST files, accidentally deleted or password-protected OST files, corruption in the storage media, etc.

5. Does OST to PST Converter helpful in recovering lost or deleted items?

Yes, Kernel for OST to PST software thoroughly scans the selected OST file, and displays all the lost and deleted items which the software highlights in the RED color. All the lost/deleted items in RED color are also completely recoverable by the software.

6. What are the different options for saving the emails in a date range?
  • Save all time: Saves emails of all time.
  • Save between selected date range(s): Saves emails of selected date range(s).
  • Do not save between selected date range(s): Skips the emails of selected date range(s).
7. How the recovered PST files can be managed?

Split Option:

Select “Do not split file” option if you want to create a single PST file

Select other PST size split options, if you want to split the PST file after a particular size.

Attach prefix to store name: Select this option to add prefix to store name that will be visible in MS Outlook.

8. Numerous third-party tools are available in the market nowadays for OST to PST conversion. How to check the capabilities and extra-ordinary functionalities offered by the software before deciding to purchase the full licensed version among numerous options available?

Before deciding to purchase the full licensed version of any software, user must first give the software a try by downloading its free trial version. Using the free demo version, one can easily analyze and judge the capabilities of the software and various functionalities offered which makes the particular product different among others. If satisfied with the performance and the accurate results of the software; or if the software provides the successful recovery and conversion as desired, then user must make wise decision to purchase the license key of full version of the software.

Kernel for OST to PST is available as a free demo version to let users evaluate the features, functionalities and capabilities before deciding to purchase the full licensed version. The free demo version works exactly similar to that of the full version such that it accurately recovers data from damaged OST files, and displays preview of entire recovered data. But it allows users to save up to 25 items per folder only. To save the entire recovered email data from OST files in PST file format, user must purchase the full version of the software.

Case Study
  • Len Worley Austin, Texas

    “Restored the deleted Outlook data without losing any single data with OST to PST software”
    View full review...

  • Michael Clavien Managing Director

    "Kernel Data Recovery Resolved the Exchange Server failure ISSUE RESTRICTING the Client to Access Outlook mailbox"
    View full review...


Software Features Trial Version Full Version
Preview Of All Recovered Data
File Saving Strength Saves 25 Items per folder to PST, EML, MSG, DBX, TXT, HTML, MHTML formats Save Unlimited files and Formats + Enhanced File Saving Capabilities
Kernel for OST to PST Updated Version
100% Safe & Secure
(24x7) Free Technical Support (Live Chat, Emails & Phone)
Supports All Latest Versions
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