Online repair PST/OST files Microsoft Outlook

How to recover online corrupt Microsoft Outlook data storage

Select file

*The files will be automatically deleted from the server in 30 days

Step 1

Select file

Step 2

File Repair

Step 3

Download result

Updated: 2026-10-21

Victor Bobrov Written by: Victor Bobrov

If Microsoft Outlook cannot open PST or OST files where emails, contacts, appointments, and other things are stored, you can make the online recovery of corrupt Outlook Microsoft Office files. Online PST recovery works conveniently on any device (computer, phone, or tablet) and any operating system (Windows, iOS, Mac OS, Android, etc.). The main prerequisite for Outlook PST file recovery is a modern browser. Step-by-step instructions for online recovery of damaged Outlook PST file:

How to recover online corrupt Microsoft Outlook data storage
  1. Select the faulty PST/OST file of Microsoft Outlook on https://www.repairtoolbox.com/outlookrepair-online.html.
  2. Next PST or OST file will be uploaded to the server, and analysis and recovery will start
  3. If the online recovery of Outlook PST file was successful, then the user can:
    1. See the size of the repaired Outlook PST file, which can compare with the size of the original corrupted file
    2. View the folder tree with the number of emails and/or objects in each folder
    3. Download a demo version of the repaired PST file to try it out (a demo PST file can hold up to 5 emails/contacts/objects per folder)
  4. Pay for online Microsoft Outlook file recovery service. Price $10/1Gb
  5. Download the recovered Microsoft Outlook .PST file via special link after payment

repair outlook online

Note:

If Outlook PST or OST file recovery is not possible, the online service will inform you about it after analyzing the file free, including via email.

Victor G. Bobrov, Senior Software Engineer.

MCSD, MCDBA

An expert in data structures, data storage, and file recovery with over 20 years of experience.