Repair corrupt or damaged PST file to restore emails for free
Upload your Corrupt PST File
Fully Autonomous & Secure Processing
Secure & Private: Protected by Privacy Policy
Repair unlimited files-no size limit-with Desktop Software
When the ScanPST utility is unable to repair your severely corrupted PST file.
Large PST files can cause frequent Outlook freezes and crashes, leading to mailbox damage.
Outlook crashes disrupt mailbox operations, causing PST corruption and making data inaccessible.
Click on 'Repair PST File' button to sign-in and upload your mailbox to our secure server.
Your PST file is analyzed in Fully Automated & Safe Environment with no human touchpoints.
Preview & Download your repaired PST file. All data is erased after 24-hours for Security & Privacy.
Stellar Online PST repair service ensures complete data integrity and preserves the original structure during the repair process. It restores emails and all mailbox items, including contacts, calendars, attachments, notes, and journals, from corrupted PST files. Once the repair is completed, you are notified to download the repaired PST file on to your computer. Online PST repair service also provides you the choice to preview mailbox folders and item count in the browser.
Start with Free plan - upgrade to Premium to repair larger files.
We have answers to the most common questions that our users ask.
Online PST repair service uses a secure connection to upload and process your corrupt PST files with no human touchpoint. All uploaded and repaired files are automatically and permanently deleted from our servers within 24 hours (in the free plan) and 48 hours (in the premium plan).
Yes, you can repair a PST file up to 500 MB for free. With the premium plan, you can repair PST files up to 5 GB. Desktop Edition has no file size limit for repairing corrupt PST files.
Yes, Stellar online PST repair service does not require MS Outlook to be install. Entire process runs successfully on your browser & no additional software’s required to install locally in your system.
No. Only one PST file can be uploaded and repaired at a time. To repair additional files up to 5GB you can go with Stellar’s Online PST repair service Premium Edition.
The time depends on file size, level of corruption, and internet speed. In many cases, repair is completed within 15 minutes, while larger or more complex files may take longer time.
The free plan supports repairing PST files up to 500 MB. The Premium Edition supports up to 5 GB per limit. Desktop Edition can repair large PST files with no file size restriction.
You can save the repaired PST file to any desired location on your local system. By default, it is saved in the Downloads folder.
Yes. You can preview the recovered folder structure and item count before downloading. This helps you verify the integrity and completeness of the repaired mailbox data before saving the PST file.
This free PST repair service can repair PST files affected by:
Yes. Password-protected PST files can be processed, and the protection does not affect the PST repair process.
Stellar Online PST Repair restores all mailbox items from corrupt PST files, including emails, attachments, contacts, calendar entries, tasks, notes, and journal entries.
The free PST repair works on all major modern browsers of any device including Chrome, Firefox, Edge, and Safari.
The online PST repair service fully supports Outlook Data Files (.pst) created by all versions of Microsoft Outlook from 2003 up to 2024, including Classic Outlook for Windows, across both ANSI and Unicode formats.
Stellar offers a range of online services that you can use for free.
