Kernel for Outlook PST Repair

Repair corrupt PST files and export to Outlook PST, Office 365, Exchange, & Gmail. MVPs and experts recommend this tool for its simplicity and reliability.

  • Repairs damaged/corrupt Outlook Data Files (PST)
  • Recovers large PST files & Retrieves deleted emails/attachments
  • Supports all Outlook versions (up to 2019) & Unicode/ANSI PST files
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System Requirements

Before you start installing Kernel for Outlook PST Repair, make sure that your computer meets the following requirements:

Supported Versions
  • Outlook – Office 365 Outlook, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98 and 97
Operating System
  • Windows 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95
  • Windows Server 2016, 2012, 2008 R2, 2008, 2003 R2, 2003
  • Intel® Pentium Processor compatible (x86, x64) or equivalent
Memory + Hard Disk
  • 256 MB Minimum + Minimum 50 MB of disk space

Install Kernel for Outlook PST Repair

You have to download the installer file of Kernel for Outlook PST Repair https://www.nucleustechnologies.com/outlook-pst-repair.html Please make sure your computer meets the system requirements and user rights for installing this software.

Perform the following steps to install Kernel for Outlook PST Repair.

  1. Double-click the downloaded installer file to start the installation.
  2. Click Next to proceed to the next step.
  3. It is recommended to read the license agreement carefully before installing the software. If you agree to the license agreement and want to continue the installation, then click I accept the agreement and click Next.
  4. The following screen appears, which allows you to modify the destination. If you want to modify the installation location, click Browse and select the desired location. Click Next to proceed further.
  5. Here, you can customize the location of the shortcuts folder in the Start Menu. Click Browse and select a different location to modify the location of the shortcuts folder in the Start Menu. Click Next to use the default or customized shortcuts folder.
  6. The next step displays the option to create the additional shortcuts. Check the boxes titled Create a desktop icon and/or Create a Quick Launch icon if you want. Click Next to proceed to the next step.
  7. Click Install to begin the installation procedure.
  8. When the installation process is completed successfully, the user receives the following message. Click Finish to complete the process. It will launch the software if you have kept the option Launch Kernel for Outlook PST Repair checked.

Uninstall Kernel for Outlook PST Repair

There can be a situation when you need to uninstall Kernel for Outlook PST Repair. Please make sure to close the software before uninstalling it. Follow the steps below to uninstall it.

There are two ways to start the uninstallation.

  1. Go to Start → All ProgramsKernel for Outlook PST Repair, click Uninstall Kernel for Outlook PST Repair.
  2. Click Start → Control Panel. Launch Add/Remove Programs or Programs. Select Kernel for Outlook PST Repair and click Remove.
  • Following any of the above methods displays a warning message. Click Yes to uninstall the software.
    Note: If a scheduled migration job is running while uninstalling the software, you will receive a warning. Click Yes to stop the job and to uninstall the software.
  • When the software is removed, the following message box appears onscreen. Click OK to finish the process.

After following the above steps, Kernel for Outlook PST Repair will be uninstalled successfully from your computer system. By default, the software is configured to retain the license file, behavioral data to handle source and destinations, and other settings in the program installation folder.

To remove the remaining elements, delete its program installation folder manually and then empty the Recycle Bin as well. Kindly do not remove this folder if you want to retain the license file and/or have to reinstall the same/upgraded version of the software. The default path of the program installation folder is %ProgramFiles%\Kernel for Outlook PST Repair – for both 32-bit and 64-bit OS.


Kernel for Outlook PST Repair

Download Trial Version

Try the free version of Kernel for Outlook PST Repair and recover a few PST items to selected file formats and destinations. Once you are happy with the recovery, you can buy the full version for the complete recovery.

  • Repairs corrupt Outlook PST files
  • Offers complete preview of PST data
  • Saves 25 items per folder to PST
Download Trial

Purchase Software

Recover the complete Outlook PST data and save it to all the available file formats and destinations with the full version of Kernel for Outlook PST Repair. It supports all MS Outlook versions and Windows versions.

  • Repairs PST files and recovers Outlook data
  • Offers preview and filtering of Outlook data
  • Saves PST data to Exchange, Gmail & Office 365
See Pricing

Online Support

Customer support is not a service, it’s an attitude.

Our dedicated team is available 24x7 to provide fast responses to all of your queries. For any technical support you can register or submit a ticket here.

  • Register
    Register a new account to submit tickets. click here.
  • Submit a ticket
    Submit a new ticket for your query. Our support team will contact you. click here.
  • Knowledgebase
    Search support helpful articles and find answers to frequently asked questions. click here.
Contact Us

Kernel for Outlook PST Repair - How to resolve Outlook PST Corruption Issues?

Methods to repair corrupted PST files

There are two methods to repair damaged and corrupted PST files.

  • ScanPST.exe (Inbox Repair Tool)

    Microsoft provides a free utility that can repair Outlook inbox and corrupted PST files so that you can use them again. However, the problem with this tool that it cannot repair harshly damaged and large PST. If your PST file is large and harshly damaged, then you have to use a third-party tool.

  • Third party tool -Kernel for Outlook PST Repair

    Kernel for Outlook PST Repair utility scans the damaged and corrupted PST files and recovers the data. You can also export those PST files to Office 365, Exchange server, Domino server, and GroupWise. This tool repairs large and severely damaged PST files too. And, while repairing PST files, this PST repair tool ensures the security and integrity of the data. Also, this easy to use tool supports all the versions of MS Outlook and Windows OS.

  1. After installing the software, launch the tool on your desktop.
  2. Select the corrupt PST file from the welcome screen of the tool and click Next.
  3. Read the instructions for repairing the corrupt PST file and click Finish.
    repair corrupt PST file process finish
  4. After fixing the corrupt file, the PST file folders will be visible in the left pane of the tool. Select any folder to preview its content in the tool.select folder to save
  5. Now, click the Save button to save the PST file. Select the specific saving option to save the file and click Next.save PST file
  6. Apply the specific filters to the corrupt PST file based on your requirements and click Next.Apply the filters
  7. In the next step, if you want to split the PST file, then select the specific option from the drop-down menu and click Next.split the PST file
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Kernel for Outlook PST Repair - Resolving PST issues caused by anti-virus software

Resolving PST issues caused by anti-virus software

The foremost method to resolve such issues is to make sure that your anti-virus is either up-to-date or has no restrictions on the functioning of Outlook. If you are still getting the same error message, try resolving the issue using methods that are mentioned below:

  • Update your antivirus with the recent updates
  • If the file is virus infected and your anti-virus is unable to remove the virus, then delete the file as soon as possible and restore it from a valid backup.
  • Use Inbox Repair tool (scanpst.exe), an inbuilt utility provided by Microsoft, to deal with the PST corruption issues.

If you haven’t backed up your Outlook data and the Inbox Repair tool fails to resolve the issue, seemingly because of severe level of corruption to the PST, then, the most recommended way is to look out for third-party Outlook PST repair tools.

In this regard, we have highlighted an efficient repair tool that provides a one stop solution to all your PST related issues.

Kernel for Outlook PST Repair is one of the most popular alternatives to Inbox Repair Tool and other manual approaches to resolve corruption issues from your Outlook PST. The tool repairs your corrupt PST files and restores items such as email messages, notes, tasks, calendars, journals, appointments and other Outlook items. Here is how the tool works:

  1. Launch Kernel for Outlook PST Repair and click Browse to locate the folder containing the corrupt PST. Launch Kernel for Outlook PST Repair
  2. Select the required PST file and click Open. select PST file
  3. Then, click Next. open pst file
  4. Read the process information and click Finish.Finish the process
  5. The next window displays the recovered data; mailbox folders are displayed on the left-hand side panel whereas the contents are displayed on the right-hand side panel. Select the required data and click Save to save the recovered PST file.save the recovered PST file
  6. Select PST (MS Outlook) as the output type and click Next. select PST as output type
  7. Select desired filters to save specific data from the recovered PST and click on the Next button. Select desired filters
  8. Provide a destination path to save the recovered file and click Next. Provide a destination path
  9. The recovered PST file gets successfully saved to specified location; click OK to finish the process. successfully PST file saved
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Kernel for Outlook PST Repair - Simple Methods to Repair Corrupt Outlook PST Files

Repair Corrupt Outlook PST Files

A third-party tool is a reliable option for you to recover emails, notes, contacts, to do list, etc. back from damaged PST file. With a third-party tool, you can perfectly repair the damaged PST file in just a few minutes.

Kernel has come up with an unbeatable option to repair your Outlook Inbox. With the help of Kernel for Outlook PST Repair Tool, you can repair any sort of damaged PST file. Let’s see how.

  1. Start with clicking on the Browse button.Select PST file to repair
  2. Select the file you need to repair and click on Next.To repair PST and click on Next button
  3. Now, you can have a look inside the files and folders with the advanced preview feature. Click on Save to proceed further.Click on Save button
  4. Now select the format you want to save your file in and select PST File (MS Outlook) from the list and click on Next.select the format want to save recovered PST
  5. In the next step, apply filters. Here you can exclude the unwanted data. Click on Next to proceed.Check filters
  6. Now select the destination path for your repaired file and click on Finish.select the destination to save file
  7. Once the process is done, click on Ok and check the folder where you saved your file.process is done
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Kernel for Outlook PST Repair - How to Export .pst File Data?

Exporting PST File Data

MS Outlook provides an Export feature to export Outlook data. This is a simple feature that caters to basic export requirements only.

Following are the simple steps that are involved in exporting a specific PST folder:

  1. Open Outlook.
  2. On the File menu, click on the Open & Export category. Now click on the Import/Export option on the right side of the menu.Click on Import/Export option
  3. Click Export to File, and then click Next.Click on Export to File option
  4. Click Outlook Data File (.pst) and click on the Next button.Click Outlook Data File (.pst)
  5. Click the folder that you want to export the .pst file to, and then click Next. Click on the folder you want to export
    Note: Don’t forget to check the Include subfolders box if you want to include all the subfolders of the folder you have selected.
  6. Click on Browse, and then select the location where you want to save the file.
  7. In the File Name box, type the name you want to use for the new .pst file, and then click OK.
  8. Click Finish.Click on finish
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Kernel for Outlook PST Repair - Repair Corrupt 2GB PST File

Repair Corrupt 2GB PST File

When Outlook is not able to open the mailbox then you should first try to compact the PST file. During the process of compressing the PST file, Outlook eliminates the deleted items space. The following steps will help you to compress PST file in Outlook 2003 and earlier versions:

  1. Start Microsoft Outlook E-mail Accounts in the Tools menu.
  2. Click View or change existing e-mail account and then click Next
  3. Click Microsoft Exchange Server and then click Change
  4. Click More Settings
  5. Select the Advanced tab and then click Offline Folder File Settings
  6. Click Compact Now. The process to compact the PST file starts
  7. After the process is finished, click OK
  8. Again click OK and then click Next
  9. Click Finish to complete the process
  10. Restart MS Outlook.

When you restart Outlook, you will be able to view your emails. However, if you still face the same issue then try the next solution.

  1. Start Microsoft Outlook
  2. Select Work Offline from the File menu
  3. Now, select emails in the Inbox folder that you want to delete and press the DELETE key
  4. After deleting all selected email, also delete them from Deleted Items folder
  5. Restart Outlook

After restarting Outlook when you click on Send/Receive, you will be able to access your emails. But, if Outlook is having a problem accessing emails then it means the PST file has been damaged due to oversize. Now, the only solution for you is to repair the corrupt 2GB PST file.

Repairing PST File: You can repair PST file damaged due to the 2GB size limit through a third-party PST repair and outlook repair software.

Kernel for Outlook PST Repair, to repair PST files and perform successful outlook repair is efficient, reliable, and cost-effective software designed to repair damaged PST files. After repairing the PST file, you can save the recovered emails, contacts, etc. at a user-defined location from where you can access them in your Outlook account. Kernel for Outlook PST Repair tool supports Outlook 97, Outlook 2000, Outlook 2002, Outlook 2003, and Outlook 2007.

The tool does not include any limitations on the PST file size and supports 2GB or more file size easily for repair purposes. It supports both ANSI and UNICODE format files for quick, efficient, and flexible repair with a preview feature and advanced integrated filter options. Let us understand the simple steps to repair corrupt 2GB PST file with the Kernel for Outlook PST Repair solution installed on your Windows system.

  1. Launch the Kernel for Outlook PST Repair tool. Click on the Browse option to add 2GB PST files.
  2. Select the second option to add multiple 2GB PST files and use the plus icon to browse and add the files from the system location. Then click Next.
  3. All the added PST file mailboxes will be retrieved. Select any file item from the left panel to view its content details on the right panel. After this click on the Save option.
  4. Select the PST file option from the list and click Next.
  5. Choose and apply the desired filter options to move only the required content after repair. Then click on the Next option to proceed.
  6. Choose the split PST file size, and add a prefix to repaired files if required, and then click Next.
  7. Click the Browse option and provide the destination path location for the repaired 2GB PST files, select the saving preferences, and click Finish to start the repair.
  8. The repair progress can be viewed till its gets 100 percent completed.
  9. Hence, the successful repair of the 2GB PST files is executed quite conveniently.
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Kernel for Outlook PST Repair - PST Corruption after Moving or Renaming PST file, Fixed

PST Corruption after Moving or Renaming PST file, Fixed

Personal Storage Table (PST) is a file in which Outlook stores emails, notes, contacts, and other users mailbox related items. Although Outlook is a fast and convenient email client if Outlook Archive.pst and/or Outlook.pst files are tried to be modified/renamed (in Outlook 2000) then Outlook gets locked up. At that time you need to restart Outlook and repair the Outlook.pst file. You can repair the Outlook.pst file using the Scanpst.exe tool.

Using Scanpst.exe tool: Execute the following steps to use the Scanpst.exe file:

  1. Click Start → Search.
  2. In the Search window, click the All files and folders link and then type Scanpst.exe.
  3. Click the Search button. After completing the searching process, you can view the Scanpst.exe file in the search result.
  4. Double-click the Scanpst.exe file. The Scanpst.exe program starts in which you have to browse the location of the damaged PST file:
  5. Click the Browse button to locate the damaged Outlook PST file. You can locate the PST file in different operating systems by following the below-given paths:
    • Windows 98 or Windows Me: Disk Drive → Windows → Local Settings → Application Data
    • Windows NT 4.0: Disk Drive → WINNT → Profiles → username → Local Settings → Application Data
    • Windows XP or Windows Server 2003: Disk Drive → Documents and Settings → username → Local Settings → Application Data → Microsoft → Outlook
    • Windows Vista: Disk Drive → users → username → AppData → Local → Microsoft → Outlook
  6. Click the Start button. The Scanpst.exe successfully repairs the Outlook.pst file.

In this case, when the Outlook.pst files get corrupt due to renaming or modification, you can repair the Outlook.pst file using the Scanpst.exe tool. But, in some cases when the Outlook.pst file gets damaged due to reasons like moving from one location to another, recreating the Outlook profile, etc. then Scanpst.exe cannot perfectly repair the Outlook.pst file.

When Outlook.pst file gets corrupt, you should first know the reason and accordingly perform the following solutions:

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Kernel for Outlook PST Repair - How to Recover Deleted Emails from a PST File?

Recover from Deleted Items Folder

You can recover deleted email messages that are still present in the Deleted Items folder.

Follow the steps one by one to perform a successful recovery:

  1. Step 1: Launch MS Outlook and click on the Deleted Items folder.
  2. Step 2: Select the mails that you would like to move and finally select the folder in which you would like to move that.
  3. Step 3: If you have deleted some emails from this Deleted Items folder then also it is possible to recover the emails. Click on the Recover items recently removed from this folder link.
  4. Step 4: Now, select the mails that you would like to recover and hit OK.
  5. Step 5: Now check your Deleted Items folder. These items will be restored back to this folder. You can relocate the items to the desired location.
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Kernel for Outlook PST Repair - Download ScanPST.exe Alternative

Kernel for Outlook PST Repair – a proven alternative to scanpst.exe

Kernel for Outlook PST can repair PST files, recover inaccessible data from PST files, and save them to PST file or other destinations. The following steps will show you the procedure to repair PST files.

  1. Launch the application by clicking Start → All Apps → Kernel for Outlook PST Repair → Kernel for Outlook Repair.Launch the application
  2. Click the Browse button if you are familiar with the location of corrupt PST file. Otherwise, click Search button to search the PST file. It will open a new window named Search PST File(s).search the PST file
  3. Click Browse button to select the required folder or drive where you want to search for the PST file, and then click Search. It will list all the PST file present in the selected file or folder. Select the desired PST file from the list and click OK.Select the desired PST file
  4. The selected PST file will get enlisted in Source File Selection window. Now click Next.Source File Selection
  5. A new window named Information will inform you about the whole process of repairing PST file and the output modes available. Click Finish.process of repairing PST file
  6. Now the PST file data can be previewed.preview PST file
  7. Select any file or folder you want to retrieve and click the Save button.Select file or folder to retrieve
  8. The Select Output Type page will have a list of various output formats available. Select PST file (MS Outlook) and click Next.Select Output Type
  9. The Select Filter(s) page allows you to apply different filters like From, To, Subject, Folder Name, Item Type, and Date Range (it is an optional step, and you may skip it). Click Next after selecting the filters.Select Filters
  10. Select the required PST splitting option and click Next.Select the required PST splitting option
  11. Select the path where you want to save the PST file. Just browse the location and click the Finish button.browse the location to save PST file
  12. After the successful repair, you will get a notification that the PST file has been successfully saved at the given location. Click OK to finalize the conversion process.PST file successfully saved
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Kernel for Outlook PST Repair - How to Recover Permanently Deleted Emails in Outlook?

Recover Permanently Deleted Emails in Outlook

In case you have permanently deleted emails or deleted emails from the Deleted Items folder on the PST mailbox, follow this procedure:

Note: Outlook emails deleted from the Deleted Items folder can be recovered for up to 30 days period only using the Recover Deleted Items option in the Folder tab.
  1. Log in to your Microsoft Outlook account and click on the Deleted Items folder. If there are no items visible in this folder, the folder has been emptied, and all emails have been permanently deleted. Having done that, click on the Folder tab in the top menu bar and then click on the Recover Deleted Items.  Recover Deleted Items.
  2. Now, select the required deleted email(s) and click on the Recover button which is located on the top-left corner of the screen.select the required deleted email
  3. Finally, Outlook starts recovering those deleted emails of yours. Once recovered, check your Deleted Items folder, you will see your deleted emails there. Now move the needed email(s) to the inbox or any of the folders you need to move them to using the Move option.
  4. If the deleted emails are not available in either of the folders you can use Kernel for Outlook PST Repair software.

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Kernel for Outlook PST Repair - Tips to Recover Deleted Contacts in Outlook 2016

Get Outlook Contacts Missing from Deleted Items Folder

Upon deleting an Outlook email account contact, it gets transferred to Deleted Items folder. The items inside this folder can be recovered back, follow the below steps to retrieve deleted Outlook contact(s):

  1. Open Outlook 2016.
  2. Move to Home tab, click on Deleted Items folder in the left pane.Deleted Items folder
  3. Use CTRL + E key combination to search the contact you want to recover,or

    Use the Sort icon column to group all contacts,search the contact you want to recover

  4. Once you find the Outlook contact, you’re looking for, right-click on it and select Move, click on Other Folder.click on Other Folder
  5. Now, to move the contact back to default contacts folder/list, select Contacts, and click Ok.select Contacts
  6. You’ve successfully recovered deleted Outlook contacts back to the default contacts list from Deleted Items folder.

    1. You can use the above steps to move recovered Outlook contacts to another subfolder (s) instead of default contacts list/folder.
    2. Due to certain admin policies, deleted items will move to Recoverable Items folder after a certain period.
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Kernel for Outlook PST Repair - How to Repair Damaged Profiles in Different Outlook Versions?

How Outlook Profile may get Damaged?

One of the many reasons for Outlook profile corruption is a corrupted PST. Sometimes due to a corrupted PST, the profile becomes inaccessible, and it needs repair. Another reason is when the size of the PST file maxes out; sometimes the size of a PST is limited, and when users hit the limit, they face profile corruption. If you have a lot of folders or subfolders, then again you may face profile issues. It is always advised to avoid such a situation. Rest of the reasons are mentioned below.

  • A sudden crash of Outlook
  • Any type of hindrance or interruption during Outlook Data transfer
  • Abrupt shutdown of Outlook program
  • Incomplete installation of Outlook
  • Incomplete configuration of profile
How Can You Detect It?

There are multiple signs for a corrupted profile or a damaged PST.

  • You are facing error Operation failed in Outlook when you are trying to reply. This may happen due to PST issues or malware attack.
  • You are facing an error Cannot start Microsoft Outlook. Cannot open the Outlook Window. Then you need to repair Outlook profile as soon as possible.
  • Your Outlook is slowing down, or you are facing some hang issues. Then you might need to repair your profile.
What are the Precautions You May Take to Avoid This Error?

There are some measures that you can take to avoid Outlook profile damages.

  • You can follow a habit of backing-up all the PST data.
  • Whenever you are importing data into PSTs, make sure that there are no interruptions.
  • Always make sure to close Outlook properly and also make proper arrangements for battery or electricity backup in case of power loss.
How to Access the Outlook Profile?

No matter which version of Windows you are using, the process for accessing the profile is same.

  1. Go to Start, and open Control Panel.
  2. Click Mail.
  3. Click on the Show Profiles button in the Profiles section.
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Kernel for Outlook PST Repair - Repair Outlook 2019, 2016, 2013, 2010 PST Manually

Methods to repair Outlook 2019, 2016, 2013 and 2010 PST File

Generally, there are two reliable methods that can be used to repair corrupt PST files. The first method, i.e., the manual method involves using the inbuilt utility ScanPST, provided by Microsoft. The second method is third-party software.

1st Method – Repair Outlook 2019, 2016, 2013 and 2010 with ScanPST

Also known as Inbox Repair tool, ScanPST allows you to repair corrupt/damaged PST files. You can access this inbuilt utility from your computer drive.

  • For Outlook 2019/2016/2013/2010
    C:\Program Files\Microsoft Office\root\office16\
    C:\Program Files (x86)\Microsoft Office\Office16\
    C:\Program Files (x86)\Microsoft Office\Office15\
    C:\Program Files (x86)\Microsoft Office\Office14\

    Now, follow the below steps to use the ScanPST software.

    1. Double-click on the launcher to start the ScanPST tool.
    2. Click Browse to add the PST file that you want to repair, and then click Start to scan the file.
    3. Once the scanning is complete, hit the Repair button to start the repairing process.
    4. Note: To create a backup for this PST file, check the checkbox Make a backup of scanned file before repairing.

    5. It will take a few seconds for the ScanPST tool to repair the PST file. After fixing the file, you can import it to Outlook.
  • However, if you still face any after importing to Outlook, it means the PST file is not repaired properly. So, we have an alternative solution of Scanpst.exe for you.

2nd Method-Kernel Outlook PST Repair

It is an advanced Outlook PST repair tool that allows you to access your corrupt/damaged PST files by repairing it quickly with smart algorithms. With this software, you can retrieve lost/deleted mailbox items and export them in different formats. Now, let’s get to the working process of this tool:

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