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 11, 10, 8, 7 to repair OST file with all attributes. Software maintains data integrity and folder structure intact.

(Average Rating 4.4 Based on 158 Ratings)
  • Repair Corrupt 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.
  • Repair OST File on Microsoft Windows 11, 10, 8, 7 and Below Versions
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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 can recover deleted emails, contacts, calendars, tasks, and other items from an OST file. It also has the ability to recover all permanently deleted emails and other items from an OST file. Data can also be recovered from.nst and.bak files (BAK file created by Scanpst.exe when repairing OST file). This application will save recovered data from an OST file into different file formats PST, MSG, EML, or PDF file after restoring data. The best tool for repairing corrupt OST files.

Repair OST File & Fix Corruption Issues

The OST Repair tool has two modes for repairing OST corruption: Quick Scan and Advanced Scan. The Quick Scan option will repair less corrupted OST files, while the Advance Scan option will repair severely corrupted OST files. By default, the software runs a Quick scan.

Restore Single & Multiple OST File

This OST recovery software provides two options for browsing OST files in order to perform the recovery process. With the select file option, choose File & Search File. You can choose which OST file to recover and restore their deleted data. The Search file option allows you to look for.ost files on a specific or all drives for OST recovery.

Decrypt S/MIME & OpenPGP OST Emails

This Outlook OST repair tool is capable of decrypting OST emails and removing S/MIME or OpenPGP-encrypted OST email encryption. To decrypt SMIME or OpenPGP encrypted messages in an OST file, users must select the 'Remove Encryption' checkbox. As a result, in order to decrypt OPENPGP encrypted mails, users must provide associated Certificates with passwords or Private Keys with passwords. To repair a corrupt OST, use OST recovery software full version.

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

This OST recovery software displays an instant preview of all OST items, such as emails, calendars, contacts, tasks, notes, and other items, after recovering the entire OST data. Following the scan, the tool will display only those Folder names in Bold that contain data for quick access. While repairing a corrupted OST file, the tool displays emails in normal view with associated attachments. Download the free demo version to test all of the features of this OST recovery software.

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

Extract and save specific items from a recovered OST file. Date filtering is an option in the OST recovery software. With this feature, you can save recovered items from a specific date range into PST, MSG, EML, or PDF format. Simply enter a date range in the "To" and "From" fields, and the software will extract only the data you specify. Download the full version of OST repair software and test 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

The internal folder structure of the Offline OST file is preserved by this OST Recovery software. This application has no effect on the folder hierarchy or the internal structure of files. You will receive the entire OST file with the correct internal structure. The software can also repair corrupt OST files and save them in a healthy format.

Option to Split Output PST File

If you have a large OST file and need to save its data into multiple PST files. Then you must select this option. It will repair a large OST file and split it into several files. This option will protect you from corruption issues caused by large file sizes. To use this feature, you must first activate the full version of the OST recovery software.

Multiple Formats to Save OST File Data

The Amazing OST repair software allows you to save OST file data in a variety of formats. After performing OST recovery, you can save OST data in a variety of formats such as PST, MSG, EML, PDF, and so on. You just need to select the file format to save data. If you don't have enough time to save the entire contents of an OST file, you can save OST emails in separate file extensions such as MSG or EML.

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.