DataHelp OST Repair Tool box

DataHelp OST Repair Tool

Experts verified software to repair corrupted OST file & save data in healthy format. Download OST recovery tool and install on Windows 10, 8, 7 to repair OST file with all attributes. Software maintains data integrity and folder structure intact.

(Average Rating 4.4 Based on 157 Ratings)
  • Repair Corrupted OST File & Save in Healthy Format
  • No File Size Limit: Repair Large Size OST File Easily
  • Advance Scan Mode to Repair Highly Corrupted OST File
  • Recover Permanently Deleted Data from OST File and Save
  • Remove SMINE & OpenPGP Encryption from OST Email
  • Repair OST File of Outlook 2019, 2016, 2013, 2010, Etc.
  • Maintains Meta Data Like Read, Unread, Message Date, Status, Etc.
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OST Recovery Wizard - Features

Best Software to Repair Corrupted OST File Without Outlook

Recover Deleted Data From OST File

OST repair software 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 file. Perfect tool to repair corrupt OST file.

Repair OST File & Fix Corruption Issues

The OST Repair tool offers two modes to fix OST corruption i.e., Quick and Advanced Scan. 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.

Restore Single & Multiple OST File

This OST recovery software renders two different options to browse 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. Use OST recovery software full version to repair corrupt OST.

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 in Selected Drive
  • Search in All Drive

Both options will help you to locate or find OST file which you want to repair. You can check this feature in OST repair software free demo version.

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 repairing corrupted OST file. Download free demo version to check all features of this OST recovery wizard.

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.

Apply Date Filter Option

To extract & save selective items from recovered OST file. The OST recovery software offers Date filter option. With this feature, you can save recovered items into PST, MSG, EML, PDF format 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. Download OST repair software full version and check this feature.

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. Use OST recovery free demo version and verify this option.

Preserve Folder Structure of OST

This OST Recovery software 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. Also the software is capable to repair corrupt OST file and save in healthy format.

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 repair large OST file and break into multiple files. This option will prevent you from corruption issues which occur due to large file size. To use this feature activate OST recovery software full version.

Multiple Formats to Save OST File Data

The Amazing OST repair software provides multiple formats to save OST file data. After performing OST recovery you can save OST data into multiple formats like PST, MSG, EML, PDF, etc. 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 damaged OST file and save into multiple file format without the need of Outlook. But to access recovered data you need Outlook email application. Download OST repair wizard free version and check this feature.

File Naming Convention to Save OST

By using this OST recovery 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. To chack this feature, use free OST repair software.

Create Final Export Report

After performing OST file 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. OST Repair tool provides CSV format to save report.

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OST Recovery Wizard - Specification

System Requirement of OST Repair Tool to Repair Corrupt OST File Easily

  • 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. To recover complete data activate full version.
Product Details
  • Version: 3.0
  • File Size: 35.4 MB
  • MD5: 8d35d9de9f99f24512b4546d4a638709

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OST Repair Tool - Screenshots

Working Steps to Repair Highly Corrupted OST File Without Any Limitation.

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. 4 Steps to Repair Corrupt OST File:

  • Step 1: - Download OST Repair Software and Launch
  • Step 2: - Browse Corrupted or Damaged OST File
  • Step 3: - Preview Complete Data and Analyse
  • Step 4: - Select Required File Format & Click on Export

“I have 5 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 repair corrupt OST file. To recover multiple corrupt Outlook OST files you have to add multiple OST file into software by using Select File option. This OST file recovery software 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 repair corrupt OST file. The OST recovery tool will perform Offline OST file recovery without need of Exchange server / Outlook.

“I wanted to execute the OST recovery 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 corrupt 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 Repair software offers all associated certificates to decrypt OST messages from S/MIME or OPENPGP encryption.