7 Best PST Repair Tools to Repair Corrupted PST Files (Fresh Update!)

Discover the 7 best PST repair tools in 2024, including the top recommendation - 4DDiG Email Repair. Learn more about how these tools can help you fix PST file issues effectively.

5 mins read

Updated on 2024-05-16 16:35:44 to Outlook Repair Solutions

Outlook is a popular email client used by people worldwide, but sometimes its PST files, often used for archiving, can get corrupt accidentally and become inaccessible. Repairing them is a challenging task unless you have a reliable PST repair tool at hand.

Regardless of how your PST files get damaged, a good Outlook PST file repair tool should be able to fix and restore all contents of a PST file with 100% integrity within a few minutes. But with so many tools and software available, it can be hard to choose the right one. That's why in this review we've looked at the seven best PST repair tools that are free to download in 2024. We also provide a comparison of these contenders to help you make the best choice for your needs. Let's get started!

Part 1. Top 7 PST Repair Tools to Download in 2024

Here's a detailed overview of seven top PST repair software recommendations of 2024 with their key features. Check them out and see how they will help repair your corrupted Outlook data file.

Top 1. 4DDiG Email Repair - One-Click Outlook Repair Utility

Topping our review of the best Outlook PST repair software, 4DDiG Email Repair holds the winning flag. It is an effective, easy-to-use tool that specializes in repairing corrupt or damaged PST and OST file and restoring all mailbox items from inaccessible files. Not only can it fix severe corruption issues in Outlook PST files, but it can also resolve various Outlook errors, such as Outlook being unresponsive, attachments not displaying, Outlook shows conflict errors, etc. with just one click.

best pst repair tool-4ddig email repair

Key Features of 4DDiG Email Repair

  • Quickly and safely scan and repair corrupt or damaged PST files.
  • Restore any item from Outlook mailbox including emails, contacts, calendar events, tasks, notes, attachments, and more with guaranteed success and integrity.
  • Repair large or oversized Outlook PST File.
  • Provide full previews of all repaired items within Outlook.
  • Compatible with all Outlook versions such as Outlook 365, 2021 and older.
  • Support ANSI and Unicode PST file formats.

4DDiG Email Repair makes fixing PST files as easy as a click of a button. Here's how it works:

  • For this Outlook repair tool download, click the button below and install it on your PC. Then click "Select File" to pick corrupted PST files for scanning. You can either search for them on a drive or add them directly from a specific location.


    Secure Download

    how to use the best pst repair tool-4ddig email repair-1
  • Once your PST files are added, hit "Repair" and wait for the PST repair tool to diagnose any error and clean them up.

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  • After the repair is complete, you'll see all the repaired PST data in a tree view. Click on any item to preview its contents for verification. You can also double-click attachments to preview them.

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  • Once satisfied with repair job, click "Save" and choose a location to export repaired data as a new, error-free PST file.

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That's it. Simply import the repaired PST file into Outlook, and you're good to go.

Top 2. DataNumen Outlook Repair

DataNumen Outlook repair, previously known as Advanced Outlook Repair, is a popular choice for users experiencing issues with their PST files. It has built-in AI algorithms to scan the corrupt or damaged PST and salvage your emails as much as possible. Besides emails, it also retrieves posts, folders, calendars, and events. You can get your data back in plain text, RTF, or HTML format.

pst repair tool-datanumen outlook repair

Key Features of Datanumen PST Repair Tool

  • Repair and recover all Outlook items with their properties intact.
  • Recovers oversized PST files and split them into smaller ones.
  • Repair permanently deleted PST files.
  • Preview repaired PST files.
  • Batch repair multiple PST files at once.
  • Fix PST files from Outlook 97 to Outlook 365.

Top 3. Stellar Repair For Outlook

Next on our list of top Outlook PST repair tool is Stellar Repair for Outlook. It is an efficient tool crafted to repair corrupt PST file and recover all mailbox elements from it—like emails, attachments, contacts, calendars and notes with complete integrity. Whether it's minor glitches or severe damage, Stellar Outlook PST Repair handles it all effortlessly. Compatible with various Outlook versions, it's earned its spot among the best.

pst repair tool-stellar repair for outlook

Key Features of Stellar Outlook PST Repair Tool

  • Fix corrupted PST files and recovers emails, contacts, calendars, tasks, notes, etc.
  • Recover mailbox from large PST files
  • Offer a preview of recoverable items.
  • Support exporting results in various formats like EML, MSG, and HTML.
  • The technician version allows exporting recovered PST to Office 365.
  • Allow splitting and compacting PST files for better performance.

Top 4. Remo Repair Outlook PST

Remo Repair Outlook PST is designed to fix PST files that are severely damaged or corrupted on all versions of Outlook. It comes with an easy-to-use interface and a special "Smart Scan" feature for seriously damaged files, helping you easily turn your inaccessible Outlook data file into a healthy one. Moreover, this PST file repair tool can fix encrypted and password-protected PST files too.

pst repair tool-remo repair outlook pst

Key Features of Remo Repair Outlook PST

  • Repair corrupt/inaccessible PST and restore all email attributes.
  • Recover deleted, lost, and missing Outlook items securely.
  • Renowned for its read-only feature to safeguard damaged PST files during repair.
  • Provide real-time preview of recovered Outlook data before saving.
  • Work with Outlook versions from 2003 to 2021 and Outlook 365.

Top 5. Kernel for Outlook PST Repair

Kernel Outlook PST file repair software addresses various forms of PST file corruption and retrieves deleted emails along with their meta properties. It works with archive PST files of any size and retrieves content of even password-protected PST files. Moreover, it provides flexibility to save your recovered data on various platforms such as Office 365, Exchange Server, Outlook PST, and Gmail.

pst repair tool-kernel for outlook pst repair

Key Features of Kernel for Outlook PST Repair

  • Repair PST files in both ANSI and UNICODE formats.
  • Recover email data like read/unread status, categories, attachments, subject, Cc/Bcc, etc.
  • Offer preview before saving recovered PST files.
  • Saves PST files in various formats such as DBX, MBOX, MSG, EML, TXT, RTF, HTML, and MHTML.
  • Allow simultaneous scanning of multiple PST files.
  • Compatible with Outlook versions from 97 to 2021.
  • Allow you to choose specific Outlook data for repair.

Top 6. Aryson Outlook PST Repair

Aryson PST Recovery Software is a dependable PST fix tool for repairing PST errors and retrieving mailbox emails. It effectively restores all mailbox items from corrupt or damaged PST files, including emails, calendars, contacts, tasks, and journals. Moreover, it provides three scanning modes: Standard, Advanced, and Deep to recover deleted emails. Aryson is available for home, business, govt, and commercial users.

pst repair tool-aryson outlook pst repair

Key Features of Aryson Outlook PST Repair

  • Recover data from corrupted, encrypted, and password-protected PST files of up to 80GB.
  • Handle alignment errors in PST files.
  • Save recovered PST files in various formats like PST, EML, DBX, MSG, and MBOX.
  • Provide a comprehensive preview of recovered PST data.
  • Provide Load & Save option to save snapshots and avoid rescanning.
  • Offer three different recovery modes for Outlook PST files.
  • Compatible with PST files created by MS Outlook 2021, and older versions.

Top 7. Recovery Toolbox for Outlook

If you are looking for a free Outlook PST repair tool, Recovery Toolbox for Outlook will suit your needs. It can repair data from corrupted Outlook's PST and OST files, including those larger than 2GB and up to 4GB in size. Moreover, it can incorrectly recovered files from tools like Scanpst.exe. Recovery Toolbox for Outlook offers both desktop and online PST file repair services, providing flexibility for users who prefer different methods of repair.

pst repair tool-recovery toolbox for outlook

Key Features of Recovery Toolbox for Outlook

  • Repair PST files of Outlook 2007 and higher in UNICODE format and Outlook 97-XP in ANSI format.
  • Repair all items with embedded and attached objects and files
  • Recover deleted objects like emails, contacts, notes, and appointments.
  • Recover encrypted Outlook data files.
  • Restore corrupted Exchange server files.
  • Allow exported data in multiple formats.

Part 2. Comparison of the Best PST Repair Tool

To help you better pick out the Outlook PST repair software from the above 7 options, we've compared them from their notable features, ease of use, and target users. Here's a breakdown of key aspects of each tool:

  • Software
  • Best For
  • Ease of Use
  • Notable Feature
  • 4DDiG Email Repair
  • Quick PST and OST Repair
  • Very Easy
  • Simple interface, efficient repair process, supports batch processing
  • DataNumen Outlook Repair
  • Advanced PST Repair
  • Moderate
  • Advanced repair algorithms
  • Stellar Repair For Outlook
  • Advanced PST Repair
  • Complicated
  • Advanced repair algorithms, PST file recovery
  • Remo Repair Outlook PST
  • Basic PST and OST Repair
  • Easy
  • Read-only feature for added security
  • Kernel for Outlook PST Repair
  • Advanced PST Repair
  • Moderate
  • Comprehensive recovery options
  • Aryson Outlook PST Repair
  • Advanced PST Repair
  • Complicated
  • Advanced repair options
  • Recovery Toolbox for Outlook
  • Basic PST and OST Repair
  • Complicated
  • Supports common PST and OST repair tasks

Part 3. PST Repair Tool FAQs

Q1: What is the best tool to repair PST files?

The best tool to repair PST files is 4DDiG Email Repair. It offers a user-friendly interface, making it accessible for all users, and provides advanced features like full previews, batch processing, and no file size limitations. With compatibility across all Outlook versions and a high success rate in repairing Outlook data, it's the most reliable choice for PST file repair.

Q2: How long does a PST repair take?

Repairing a PST file's duration varies based on its size and the repair method employed. Smaller files, less than 4GB, might take over half an hour. For larger files exceeding 4GB, especially with slower hard drives, the process could extend beyond half an hour, sometimes lasting minutes to several hours.

Q3: Why do PST files get corrupted?

PST files may corrupt due to various reasons such as:

  • Exceeding PST file size limits.
  • Outlook closes unexpectedly while using a PST file.
  • Issues with computer hardware.
  • Malfunctions or virus infections.
  • Using Outlook with an Exchange server.


We've reviewed seven top PST repair tools in 2024, both free and paid, each offering unique features to cater to various needs. Among these, 4DDiG Email Repair stands out as best recommendation. It offers a user-friendly interface, full preview, batch processing, and compatibility across all Outlook versions. This PST repair tool can also fix OST files and various Outlook errors with guaranteed high success and 100% integrity.


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William Bollson (senior editor)

William Bollson, the editor-in-chief of 4DDiG, devotes to providing the best solutions for Windows and Mac related issues, including data recovery, repair, error fixes.

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