PST (Personal Storage Table) is a file format used by POP3 Outlook email account to store the user’s mailbox data. These files are also used for backup, archiving mail items, and transferring mail items to another Outlook account or profile. Like other data files, these are also prone to corruption or damage. These files may get corrupted due to hardware or software failure, large size, sudden termination of system or application, virus malware, and various other reasons. To deal with the PST file corruption, Microsoft provides an Inbox Repair tool or ScanPST, along with the Outlook installation. But Scan PST is limited to repair only minor corrupted PST files.
If your PST file is severely corrupted, then you have to take the help of a more powerful PST repair tool. There are numerous tools available in the market that can claim to repair damaged or corrupted PST files. Therefore, selecting the right one is not easy for you. So, here, we have created a list of 5 best PST repair tools for 2026, along with their features and cons, to help you select the best one as per your requirement.
Top 5 PST Repair Tools for 2026
Below, we have prepared a list of some best PST repair tools that you can look for to meet your PST repair needs.
1. Stellar Repair for Outlook
Stellar Repair for Outlook is one of the best tools to look for when it comes repairing PST files. This tool is highly trusted and recommended by IT professionals and Microsoft MVPs. It is effective in repairing PST files of any size and with any level of corruption. Once the file is repaired, it presents an enhanced preview of all the recoverable mail items – emails, contacts, calendars, notes, etc.
There are multiple options offered in the tool for saving the repaired file items, including PST, MSG, EML, RTF, PDF, and HTML. In addition, it has the option to export the repaired PST file data directly to an Office 365 (Microsoft 365) account and a live Exchange Server. The tool has an easy-to-navigate interface that doesn’t require any technical expertise to perform the repair process.
Key Features
- Repairs PST files of any size
- Repairs encrypted or password-protected PST files
- Recovers all mailbox items, including deleted emails
- Allows selective recovery
- Saves mail items in many formats – PST, MSG, EML, PDF, HTML, etc.
- Option to save file scan information to continue the process later
- Simple and user-friendly interface
- Can split and compact large PST files
- Exports PST file data directly to Office 365 or Exchange Server (Technician Version)
- Compatible with Outlook 365, Outlook 2021, 2019, 2016 and earlier.
Cons
- The free demo version only allows preview, not saving your repaired data.
- Not available for Mac OS.
2. DataNumen Outlook Repair
DataNumen Outlook Repair is another tool that you can rely on for recovering all the mail items – emails, contacts, attachments, etc. – from corrupted PST file. In addition to PST format, it allows to save the recovered mail items in RTF, HTML, and plain text format. It supports multiple operating systems, devices, and file types.
Key Features
- Recovers all mailbox items (emails, contacts, calendar, etc.).
- Supports batch PST repair.
- Works with command-line operations.
- Recovers encrypted PST files.
- Can recover Outlook data from VM disks and backup files.
- Can split the recovered PST into smaller files.
Cons
- The Free version only supports previewing the recovered data.
- It does not support exporting data directly from Office 365 or Exchange Server.
- The user interface is basic with limited features.
3. Aryson Outlook PST Repair
With Aryson PST Repair, you can repair your corrupted PST files and restore all the items of your Outlook mailbox. It provides Standard, Advanced, and Deep scan modes to deal with various degrees of corruption. It even provides support for password-protected and encrypted PST files. You can save the recovered items in different file formats and even add a new PST directly to your Outlook.
Key Features
- Repairs corrupt or inaccessible PST files and recovers all the mailbox data
- Saves the repaired data in PST, DBX, MSG, EML, and MBOX format
- Search option to find specific emails
- Preview option before saving
- Snapshot feature to save and load scan results
- Maintains original folder structure
Cons
- It does not support ANSI and UNICODE PST formats.
- The interface is not very user-friendly for non-technical users.
- It may crash during repairing large Outlook PST files.
4. Shoviv Outlook PST Repair Tool
Shoviv Outlook PST Repair Tool is also one of the powerful tools that you can opt for repairing corrupted PST files. It preserves the original properties and other details while repairing the file. It also recovers deleted items and supports encrypted PSTs. The tool can export repaired data to Office 365 and live Exchange.
Key Features
- Repairs and saves PST in formats like EML, MSG, HTML, RTF, etc.
- Works with large PST files
- Recovers deleted emails
- Repairs encrypted and password-protected PST files
- Split the resultant PST file
- Maintains folder structure
- Supports exporting of PST data to Office 365 and Exchange
- Includes Incremental Export option
- Lifetime free technical support
Cons
- It is only compatible with Windows, not for MAC OS.
- Does not compress large PST file.
- Less Advanced Scanning Options.
5. SysTools PST Repair
SysTools PST Repair is also one of the best tools for repairing damaged PST file and restoring emails, contacts, calendars, tasks, and other items. It also comes with an option to decrypt encryption of Outlook messages. The tool provides a preview option to preview mail items, including attachments.
Key Features
- Repairs highly corrupted PST files
- Search and repair multiple PST files
- Supports both ANSI and UNICODE PST formats
- Removes SMIME and OpenPGP encryption
- Recovers deleted or lost mailbox items
- Supports all versions of MS Outlook
Cons
- This software is only available for Windows.
- Advanced features require a paid license.
- The user interface is basic.
A Quick Look at All Outlook PST Repair Tools
| Feature / Tool | Stellar Repair for Outlook | DataNumen Outlook Repair | Aryson Outlook PST Repair | Shoviv Outlook PST Repair Tool | SysTools PST Repair |
| Repairs highly corrupted / oversized PSTs | ✅ | ✅ | ✅ | ✅ | ✅ |
| Recover deleted items | ✅ | ✅ | ✅ | ✅ | ✅ |
| Repair encrypted PST | ✅ | ✅ | ✅ | ✅ | ✅ |
| Split PST File | ✅ | ✅ | ❌ | ✅ | ✅ |
| Compacts the repaired PST file | ✅ | ❌ | ❌ | ❌ | ❌ |
| Provides preview of recoverable items | ✅ | ✅ | ✅ | ✅ | ✅ |
| Recovers items from extremely large PSTs (50 GB+) | ✅ | ❌ | ✅ | ✅ | ✅ |
| Selected items recovery | ✅ | ✅ | ✅ | ✅ | ✅ |
| Supports all Outlook versions | ✅ | ✅ | ✅ | ✅ | ✅ |
| Free preview (limited save) | ✅ | ✅ | ✅ | ✅ | ✅ |
Conclusion
There are so many Outlook PST repair tools available in the market. Selecting one of the best that suits your needs can take time and effort. That’s why we have compiled a list of top PST repair tools. All the tools listed above offer powerful features to help recover emails, contacts, calendars, and other mailbox items with ease. However, if you look at reliability, recovery speed, and how easy the tool is, then you can go for Stellar Repair for Outlook.