Stellar Repair for Outlook: A Recommended Tool to Repair Corrupt PST File
Outlook data file (.pst) can get corrupt when it exceeds the permissible limit of 50GB (in Outlook version 2010 and above) or 20 GB (in Outlook 2007 and 2003). Besides file size, several other factors may lead to PST file corruption, such as:
- Simultaneous users accessing and modifying the PST file shared on the network drive
- Virus or malware attack
- Abnormal termination of Outlook program
Corruption in the PST file can prevent Outlook from responding and may result in data loss if not fixed on time. Microsoft provides a built-in repair utility, the Inbox Repair tool (SCANPST.EXE), to diagnose and repair Outlook data file (.pst) errors.
You can also try a specialized PST file repair tool such as Stellar Repair for Outlook for repairing severely corrupt PST files with precision.
Why Choose Stellar Repair for Outlook?
Stellar Repair for Outlook software is purpose-built to repair a corrupt or damaged PST file and recover the complete file contents, including emails, attachments, contacts, calendars, journals, etc. Once PST is repaired, the software allows saving the repaired file as a new PST file.
Let’s explore the software key parameters like features & functionalities, ease of use, speed & performance, etc.
Features & Functionalities
- Repairs Large, Severely Corrupt PST Files: The PST repair software can repair severely corrupted PST file of any size. It helps perform the repair process quickly in three simple steps.
- Recover Deleted Mail Items: The software fixes corrupt PST file and restores complete file data, including deleted mail items and others. It can also recover data from password-protected PST files.
- Preserves Data Integrity: The software repairs and recover Outlook data (.pst) file while keeping its data intact. Essentially, it helps reconstruct the PST file items to their original form.
- Split & Compact PST File: The Technician edition of the software allows splitting and compacting of an oversized PSTto avoid the file from getting corrupt.
Ease of Use
The PST file repair tool features a simple-to-use user interface that resembles the MS Outlook interface, making the repairing process straightforward. Even a non-tech savvy user can operate the software to repair corrupt .pst file.
Here’s how the Stellar Repair for Outlook interface looks like:

Speed & Performance
Stellar Outlook PST repair tool saves time in troubleshooting PST file corruption issue by helping you repair the file in three simple steps: ‘Select PST’, ‘Repair PST’, and ‘Preview & Save’. However, the repair time may exceed depending on the PST file size and extent of corruption.
Step 1: Select PST
The software provides two options to select the PST file that you want to repair.
- Use the ‘Browse’ option if you’re aware of the PST file location.
- Use the ‘Find’ option to search for the file on your PC’s drive, folders, or sub-folders.
Step 2: Repair PST
After selecting the file, click ‘Repair’ to start repairing your corrupt Outlook data (.pst) file.

Step 3: Preview & Save
Once the PST repair process is complete, the software displays a preview of the recoverable PST file items to help you verify data integrity.

Note: If you have downloaded the demo version of Stellar Repair for Outlook software, you can preview all the recoverable mail items of the repaired PST file. But, you will need to activate the software licensed version to save the data.
After validating data accuracy, you can save the repaired file by clicking the Save Repaired File option on the Home menu. This opens a ‘Save As’ window with multiple file saving options. You can save the repaired file as a new PST or in any other file format such as EML, MSG, PDF, RTF, and HTML. The Tech edition of the software also allows exporting PST file data directly to Office 365. Further, choose the location where you would like to save the repaired file.
Note:Ensure that the ‘Do no recover Deleted Items’ checkbox is checked if you do not want the deleted items to be recovered.

Software Editions
The software is available in three different editions: Professional, Technician, and Toolkit. Here’s a table comparing features of these editions:
Features | Professional Edition | Technician Edition | Toolkit |
Repairs corrupt PST file of Outlook 2019 & lower versions | Yes | Yes | Yes |
Recovers all Outlook mail items, including deleted items | Yes | Yes | Yes |
Previews recoverable PST file data | Yes | Yes | Yes |
Supports multiple file saving formats | Yes | Yes | Yes |
Exports PST file directly to Office 365 | No | Yes | Yes |
Splits and compacts PST file | No | Yes | Yes |
Converts inaccessible or orphaned OST to PST | No | No | Yes |
Merge & join multiple PSTs into a single file | No | No | Yes |
Supports password recovery for Outlook | No | No | Yes |
Ending Note
Stellar Repair for Outlook software is a powerful utility that Outlook users can have at their disposal to repair corrupt PST files and recover their data with no or minimal time. The software’s best aspect is its simple-to-use GUI that makes repairing PST files a hassle-free experience; any novice user can operate the software to perform the repair process without any technical intervention. Besides, the software quickly recovers mailbox data from corrupted PST file compared to the manual troubleshooting methods.
Test the software yourself and verify its functionality by downloading the demo version of the software.
You can download the software demo version from here.