DataHelp OST Repair Tool box

DataHelp OST Repair Tool

Get a quick solution to repair highly corrupted OST file & recover deleted data from OST file. Download DataHelp OST recovery tool to repair damage OST data, get back or recover your permanently deleted items from OST File.

(Average Rating 4.6 Based on 143 Ratings)
  • Repair corrupted & restore deleted OST file data in multiple file formats
  • Quick & advanced scanning mode to recover permanently deleted OST items & fix corruption
  • Decrypt SMINE & OpenPGP encryption from OST email
  • Generated preview of recovered OST data in multiple preview modes
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OST Recovery Wizard Features

Best Utility to Profoundly Repair, Recover & Restore Deleted Data From Corrupted Offline OST File

Recover Deleted Data From OST File

OST Recovery tool is designed to restore deleted emails, contacts, calendars, tasks & other items from OST file. It can also retrieve all permanently deleted emails &other items from OST file. You can also recover data from .nst, .bak files (BAK file created by Scanpst.exe when repairing OST file). After restoring data from OST file, this application will save recovered data into PST, MSG, EML, PDF, and Office 365 and make OST file accessible in Outlook 2019, 2016, 2013, 2010, 2007, 2003.

Repair OST File & Fix Corruption Issues

The OST Repair tool offers two modes to fix OST corruption i.e., Quick scan and advanced. Quick Scan option will repair OST files which are less corrupt and Advance scan is for severely corrupted OST file. By default, the software performs Quick scanning to rebuild OST file in Outlook 2019, 2016, 2013, 2010, 2007, 2003.

Restore Single & Multiple OST File

This OST restore utility renders two different options to browse and add OST file for performing the recovery process. Select File & Search file, With select file option, you can select OST file which you want recover & restore their deleted data. Search file option enables to search .ost file within selected or all drives for OST Recovery.

Decrypt S/MIME & OpenPGP OST Emails

This Outlook OST file repair tool is capable enough to decrypt OST emails and remove OST email encryption which is encrypted with S/MIME or OpenPGP. Users need to check 'Remove Encryption' checkbox to decrypt SMIME or OpenPGP Encrypted messages in OST file. Therefore, users have to provide associated Certificates with password to decrypt mails or Private Keys with password to decrypt OPENPGP encrypted mails.

Auto Detect Offline OST File

Search File option provided by this OST Repair tool to find OST file from drives. It offers two options

  • Search Selected drive
  • Search all drive

Both options will help you to locate or find OST file which you want to repair.

Generate Preview of OST File

After recovery of entire OST data, this OST recovery software displays an instant preview of all OST items i.e.., emails, calendars, contacts, tasks, notes & other items. After scanning, the tool will show only those Folder name in Bold that contains data for quick access. Tool enables to display emails in normal view with associated attachment while fixing OST file corruption.

Multiple Preview Modes

There are multiple preview modes provided by OST repair wizard like Normal Mail View, Properties, Message Header, Hex, MIME, RTF, HTML, and Attachments. With this option, you can preview OST data with their attributes in multiple modes. This feature definitely effective for deep analysis of OST data. Apart from this, it will maintain OST emails meta properties such as To, Bcc, Cc, sent date etc.

Date Filter Option

To extract & save selective items from recovered OST file the OST data recovery software offers Date filter option. With this feature, you can save recovered items into PST, MSG, EML, PDF, Office 365 from a specific date range. You just have to select the date range in "To" and "From" fields and the software will extract selected data only.

Don’t Export Empty Folder Facility

The OST file repair tool gives you an option in which you can discard or exclude empty folders. To utilize this option you have to uncheck 'Maintain Folder Hierarchy' option. This can recover only folders that contain data and skip empty folders.

Preserve Folder Structure of OST Data

This Exchnage OST Recovery tool keeps the internal folder structure of Offline OST file. This application will not affect folder hierarchy & internal structure of files. You will get entire OST file with proper internal structure in PST format after restoring deleted data from OST file.

Option to Split Output PST File

If you have large OST file & you need to save their data into multiple output PST file then you have to opt this option. It will break large OST file into multiple PST files. This option will prevent you from corruption issues which occur due to large file size.

Multiple Formats to Save OST File Data

The Amazing OST repair utility provides multiple formats to save OST file data. After performing recovery of OST file you can save OST data into PST, MSG, EML, PDF, Office 365. You just need to select the file format to save data. If you don't have enough time to save entire data of OST file then you can save OST emails in separate file extension like MSG, EML formats.

No Need to Install Outlook Client

Outlook installation is not required by this tool to perform recovery of deleted OST data and repair corrupted OST file. You can recover OST file as well as repair highly damaged OST file and save into multiple file format without the need of Outlook, but to access recovered data you need Outlook email application.

File Naming Convention to Save OST

By using this software, users can easily retrieve or save OST files data in EML or MSG format according to the desired naming option. Multiple file naming conventions are provided by the software to save the emails with a specific name.

Create Final Export Report

After performing OST recovery, the software generates an export report in which tool will save all recovery related information like it will contain the path of saved files. Repair OST tool provides CSV format to save report.

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System Specification

System Requirement of Outlook OST Repair Tool to Repair & Restore Corrupted OST Data

  • Support: Windows 10(32/64 bit) & All Below Versions.
  • Processor: 1 GHz Processor(2.4 GHz is recommended).
  • RAM: 512 MB of RAM (1 GB is Recommended).
  • Hard Disk Space: 50 MB of Free Hard Disk Space Required.


  • Trial edition of DataHelp OST Repair tool allow you to export only 25 items per folder.
Product Details
  • Version: 3.0
  • File Size: 35.4 MB
  • MD5: 8d35d9de9f99f24512b4546d4a638709

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Installation Uninstallation EULA

Repair OST Tool Screenshots

OST Repair Tool Working Steps to Recover Permanently OST Deleted Emails, Contents, Calendars, etc.

DataHelp OST Repair Wizard Video

Watch Tool Working Video to Know OST File Recovery Procedure

What Users Say About the Tool

Know Our Users Viewpoint for OST File Repair Software

Frequently Asked Questions
Client's Queries Related to OST Recovery Tool and Their Solution

A. You have to follow few steps to repair & recover corrupt OST file, Steps are given below:

  • Start DataHelp OST repair tool.
  • Browse & select the OST file to perform recovery.
  • Now the software will scan OST file & repair corrupted data & recover deleted OST data.
  • Select file format to save recovered OST data.
  • Now, OST file successfully recovered.

Software is enough capable to repair OST file Outlook 2019, 2016, 2013, 2010, 2007, 2003.

“I have so many OST files in my computer and I was unable to recover all of them back. I just want to know that is there any restrictions imposed by the tool in terms of Exchange OST repair process?”

A. Yes, You can add multiple OST files at once in order to fix corrupt OST data. To recover multiple corrupt Outlook OST files you have to add multiple OST file into software by using Select File option. This OST file Repair program will easily recover corrupted & deleted emails, contacts, etc items from Outlook 2019, 2016, 2013, 2010, 2007, 2003 OST file.

“I do not have installed Outlook in my machine. So, can I perform the entire task without Outlook or do I need to configure Outlook on my machine?”

A. No, there is no need to install Outlook email application to recover data from corrupt OST file. The OST restore tool will perform Offline OST file recovery without need of Exchange server / Outlook.

“I wanted to execute the recovery of OST data and access it in Microsoft Outlook. Just wanted to know whether the OST Repair tool makes any changes in data after recovery or not?”

A. No, this tool does not make any changes to data or metadata to repair emails from OST file. Entire content of OST file will be kept safe throughout the recovery process by this software.

“I have few OST files and some are corrupted. Although, I do not have idea which of them are severely corrupted and which are facing less corruption? Thus, I want to know that is there any method to recover those files?”

A. Yes, offers two scanning modes like Quick Scan and Advance Scan. With Advance Scan option, users can easily repair highly corrupted Outlook OST file without any data loss. Moreover, by using this tool you can also recover .ost deleted emails, contacts, calendars, etc.. data

A. Yes, the OST file Repair software offers all associated certificates to decrypt OST messages from S/MIME or OPENPGP encryption.