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SysTools OST Recovery
Tool to Repair Damaged & Corrupt OST File & img to img

(Average Rating 4.5 Based on 147 Reviews)
  • Extract & Recover deleted messages from OST files: Mail, Calendar, Contacts, Notes, Task & Journal
  • Repair & Restore OST file into img
  • Supports to Repair & Recover Corrupt Outlook NST File
  • Apply Filters by Date Range & Repair OST file from Selective Items / Folders
  • Split exported File into Small size to avoid file corruption
  • Maintains Email Metadata like Read / Unread Status & Message Dates
  • Supports MS Outlook 2019, 2016, 2013, 2010, 2007 & All below versions
  • Supports to Recover OST file of both Compressible & High level Encryption
  • No File Size Limitation for recovering orphaned OST File

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Free Live Demo - SysTools OST Recovery Fully Secured Download Version

Expert Reviews for Exchange OST Recovery Software

There can be conditions when Offline OST file in Outlook 2019, 2016, 2013, 2010, 2007 gets corrupted and you are unable to repair OST file, in such cases SysTools OST Repair tool is the simple utility which easily repair corrupt OST file & recover all the mailbox data of Offline OST file. The orphaned OST file recovery software is designed in such a way that all types of users can use it without any prior knowledge of recovering emails from .ost file. Also, there is no limit to repair .ost file using this OST Data Recovery tool.

Sathish Veerapandian, United Arab Emirates
Microsoft Certified Professional & Exchange MVP

SysTools OST recovery software is the ultimate solution to repair & restore Offline OST mailbox data. This new version of OST offline recovery version has many update and new features which allow user to repair damaged OST file & save the data into a healthy state after successfully recovering emails from OST file corrupted state.

SysTools Offline OST Recovery Tool got 5 star rating from BrotherSoft for providing best services with complete support to repair OST File.

Soft Pedia give 100% clean award to SysTools OST repair software for delivering Spyware & virus freely to recover corrupt OST file.

Systools OST file recovery tool got 4 star rating from CNET for it wonderful performance and simple user interface.

Soft32 rate SysTools OST file restore software with 5 star for its effectiveness in to repair corrupt OST file.

Filehippo states SysTools OST Recovery software as safe and secure OST fix tool in the virus scanning technology provided by Avira.

SysTools OST Repair tool is the highly suggested software among various other tools for its best performance and 5 star rating by its users.

Key Features of SysTools OST Recovery Software

Comprehensive tool to repair corrupt & damaged OST file of Outlook 2019, 2016, 2013, 2010, 2007

restore OST file

Restore Deleted OST & NST Data

Outlook OST Repair tool can recover all permanently or hard deleted emails from OST file in Outlook 2019, 2013, 2016, 2010, 2007 like; deleted emails, contacts, tasks, calendars etc. After recovering NST & OST file, the OST Data Recovery tool save the repaired file into & make data MS Outlook accessible.
Note: NST & OST File with Unlimited Size get successfuly restored with Exchange OST Recovery software

scan OST File

Scan to Repair OST File

Two scanning modes are available to repair damaged OST file in Outlook 2007, 2010, 2013, 2016, 2019 i.e. Quick scan and advanced scan. Quick scan is to recover OST File data for less corrupt OST file and advance scan option is for severely corrupt OST file. Now, the OST & NST repair software performs Quick scanning by default to repair an OST file in Outlook 2019, 2016, 2013, 2010, 2007, 2003 .

preview and scan OST Outlook 2013

Preview Data with Item Count

After recovery, the OST Repair software generate an instant preview of all OST file components like: Email, Calendar, Contacts, Notes, Task & Journal etc.; with its item count. Also, orphaned OST file recovery will display emails in normal mail view with associated attachment preview while you repair corrupt OST file.

maintains meta data

Maintains Meta Data

Office OST Repair tool ensures to keep Meta properties like To, Cc, Bcc, sent date, received date etc.; intact. Also, the original formatting of all items remains as original after the process to rebuild ost file of Outlook.

save selected items

Extract Selected Items from OST

On saving selective emails or items from the recovered OST file; check or uncheck respective items and click export. Thus you would be be able to extract emails, contacts & calendars from OST file which is meant for you.

selective file & folder

Save Selective Files / Folder

Select and check the specific file or folder that you want . The OST Repair tool will only repair OST File & save OST files / folders that are being marked with a check.

folder structure

Maintains Email Folder Structure

Outlook OST repair Software maintain the internal folder structure of OST file as it is, while creating file. There will be no changes done in the internal hierarchy of files or folders after you repair corrupt OST file.

mail filter

Apply OST Mail Filter

While restoring & extracting data from OST file; you can specify date range to apply mail filters. Thus; you can recover damaged OST file & save all email or items within these date range with the help of OST Repair tool.

multiple saving options

Multiple Message Saving Options

After recovery of OST data, you can extract the OST file into multiple e-mail message formats like; or .eml or .msg. Each of these formats can further be used in various email archiving applications and email clients like; Outlook, Outlook Express, Windows Mail etc.

divide file by size

Divide File by Size

While extracting OST data into , you can apply the split option to break the resultant file into multiple parts. Specify the size in GB and the software will create several files of same size.

save & Load scanned OST filw

Save & Load Scanned OST

The OST file repair tool enables the user to save an OST file in Outlook 2019, 2016, 2013, 2010, 2007 once it has been scanned. The scanned file can be later on loaded when required, thus enabling the user to save time from re-scanning the same OST file while you repair corrupt OST file.

no ms outlook required

Fix OST File Without Outlook

The Outlook OST file repair software gives the provision to extract data from OST & NST file into different file formats with MS Outlook as optional component in the user machine. The user can perform complete OST & NST Recovery and save OST File independent of Outlook.

export report

Get Complete Recovery Report

After the complete OST file repair restoration; a Final report will get generated by the OST Repair software. The report will contain the details of repaired mailboxes and path of saved files. After you repair OST File, you can save this report in .csv file format for future reference when you repair damaged OST file.

different naming

Different Naming Options

If you select .eml or .msg format to extract the OST file emails then Exchange OST Recovery software will provide you an option to choose the appropriate naming convention to save the emails. read more

SysTools OST Recovery Tool Screenshots

Step by Step Procedure to Recover Hard deleted emails from OST File

Microsoft OST recovery Software
Step 1: Run OST Recovery Software
preview ost restore emails
Step 2: Preview Recovered OST Emails with Attachments
OST file recovery tool
Step 3: Save Recovered OST Mails, Calendar, Contacts from OST File
export ost files
Step 4: Successfully Recover OST File

Watch Live Video of Exchange OST Recovery Utility

Know How to Recover Orphaned OST file & Save in Multiple Formats

Recover Damaged & Corrupt OST File

Repair Inaccessible OST Files

OST Recovery Software Specifications
OST Recovery Box

Size: 25.9 Version: 6.0

Trial Limitations

Trial Limitation

Note: To Export Contacts, Calendars, Tasks, Notes, Journals in PST format, Check 'Use Outlook (Requires Outlook to be installed on machine)' option on Export Option Window

Download OST Recovery

Installation Uninstallation EULA

System Specifications

  • Support : Windows 10, 8.1, 8, 7 & all below Windows version
  • Processor : Intel® Pentium 1 GHz processor(x86,x64) or equivalent
  • RAM : 2GB of RAM is recommended
  • Hard Disk Space : Minimum 100 MB for installation is required

Application Pre-Requisites

  • If you are using Windows 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)
  • MS Outlook – Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64 bit), 2019
  • Support recovery of OST file of 32-bit & 64-bit

Additional Requirements

  • Microsoft .NET framework 4.5

Request For Software Customization

If you need to customize Outlook OST Recovery or need additional features then, Request Quote

Frequently Asked Question

What is an OST file & where is it located by default?

OST file, also called offline storage table file, is an offline Outlook Data File used by Exchange Server that enables you to work with mail or another data even when server access is not available for Server. OST files are created when Microsoft Exchange Server’s Cached Exchange Mode is enable.

Default Location of OST File:

  • Windows 10 & Windows 8,7: C:\Users\user\AppData\Local\Microsoft\Outlook\
  • Windows XP: C:\Documents and Settings\user\Local Settings\Application Data\Microsoft\Outlook\

By default OST file is created by the name Outlook.ost

How many OST files I can recover at a time with the help of this OST Repair tool?

The software will allow you to add one OST file at a time in order to repair OST File. Thus, you cannot perform bulk export after you repair corrupt OST file. However, you can add OST files one by one & then export all of them simultaneously.

Does the OST fix tool support to Repair NST file of Outlook 2016

Yes, the software provides support to recover NST file of Outlook 2016, 2013, 2010 & below versions . First you need to rename .nst to OST & browse the OST file into the software & repair damaged OST file.

Does this OST Data Recovery tool enforce any kind of OST file size limitation for Outlook OST recovery ?

No, you can recover any size of OST files with this OST file repair software. It does not impose any restriction on the size of OST files & helps you repair broken ost file & restore deleted ost file data.

What will be the format of Outlook data file created after export ?

The software will create a UNICODE file which can be used in all latest version of Outlook including MS Outlook 2019, 2016, 2013, 2010, 2007, 2003 versions.

Do I need to have working Exchange Server environment to recover OST file Outlook 2016?

No, you do not require an Exchange Server environment to recover corrupt OST file. The OST Repair tool can recover orphan OST file also.

I don't have Microsoft Outlook installed on my machine. Can I still use Outlook OST recovery tool freely ?

To extract data from OST file, it is not necessay to have Outlook installed on your machine and if it is installed then it should also be configured with any valid or dummy profile/account. Learn how to install and configure Outlook in machine.

Can I repair Exchange OST file using SysTools OST recovery tool Freely ?

Yes, OST file repair software will easily recover corrupted or damaged OST files & will save OST file items into

Why Can't I access my OST File normally?

The need to repair damaged OST file or Offline Outlook Data Files may come across in the following conditions:

  1. Change In Environment: In case, change in environment is required. OST file data can be recover & saved in EML or MSG format due to the common availability of Microsoft Outlook & other email client in most of the office and home based environments.
  2. Data Independence: OST file is created when Exchange Cached Mode is activated. Thus, it has a dependence over Microsoft Exchange Server. To break this dependency, you can export Offline Storage Table File (Outlook OST) to Personal Storage Table file.
  3. Overcoming Sync Issues: "Error 8004011D-526-80040115-0" is very commonly faced error, especially by Outlook 2007 users. The error is generated when, the OST file you are trying to synchronize with a mailbox on Exchange, is found to be corrupt. Repairing OST file file frees you from such obligations which results in saving your time as well as efforts.

How To Use Outlook Offline Data File on Other Clients?

SysTools OST Recovery software not only helps to recover corrupt OST file but also provides option to save data from OST file. Thus, the output files (MSG or EML) can be used on respective email clients like; MS Outlook (standalone), Windows Live Mail, Outlook Express, Windows Mail, etc.

Does the software make any changes to the data after recovery?

Why am I repeatedly getting the error 'Exchange OST is in use and cannot be accessed'?

Which versions of the Outlook client does the OST file repair software support?

Order Now OST Recovery

Get an Overview of OST Recovery Features - DEMO and Licensed Version

Features DEMO Version FULL Version
Add OST Files
Quick and Advance Scanning Option
View Emails with Attachments
Windows 10 & All Other Previous Windows Version Supported
Recover Deleted Email from OST Files
Split up Large File by Size
Repair OST File & Save into 25 Items / Folder All Items
Cost FREE $49
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Note: Software will get delivered on your registered email id, within few minutes after placing the order.

Electronic Delivery: The delivery of product is automated. You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

Purchase Order: You can place the order via Purchase Order(PO) Click Here

amazon        CR        NSIC         CIO       BBB
License Information Personal License Corporate License Technical License Enterprise License
File Limitation Recover Unlimited OST & NST Files Recover Unlimited OST & NST Files Recover Unlimited OST & NST Files Recover Unlimited OST & NST Files
Bulk Conversion Support
24×7 Technical Support Unlimited Unlimited Unlimited Unlimited
Free Product Updates
30 Day Money Back* Yes, Money is refundable Yes, Money is refundable Yes, Money is refundable Yes, Money is refundable

Features in Demoware & Commercial License

An Overview At The Contrast between OST Repair tool Trial & Purchase License

OST Recovery DEMO Version FULL Version Bundle Offer
Repair Corrupt OST & NST File
Preview OST data with items
Two Different Scanning Mode
Export Selected items from OST File 25 Items/Folder
Outlook Recovery
Add Outlook PST File
Preview PST File components
Quick and Advance Scanning Mode
Export Outlook File to PST, EML or MSG

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

What Clients Say

I am so very thankful to your Technician. We had a hard drive crash in our office and we lost all of our calendar entries in Outlook. Being this is a law office, there were many appointments that were crucial and would have been devastating and virtually impossible to recreate. Thanks to your technician, he was able to get all of the appointments back. I cannot give him a high enough praise for extracting data from the OST file. Thank you so much. This tool really helped me to rebuild .ost file in Outlook 2010

Mary Hefner, Uganda

Outlook OST file corruption has completely left me stuck in middle as my entire emails were stored in it. After opting SysTools OST recovery; I am able to restore Outlook OST file data back without any efforts. Thanks to your support team for their help

Samantha George, Sydney

I was in trouble while managing large OST files on my desktop and suddenly by mistake some of my mails got deleted. I tried all possible ways to recovery them, but unable to do so. Then, one of my colleague suggested me to use SysTools Outlook OST Recovery Software. It was a wonderful experience for me while I was struggling to recover corrupt OST file. I did not expect that this OST file repair tool will be so easily to recover deleted emails from Outlook OST File.

Henerry Louis, US

  • I am having Office 2016 on Windows 10. My Outlook is connected with Exchange. A user is facing problem frequently in every 15-20 days that all of a sudden you get a blue screen. For temporarily fixing we deleted OST File & its works fine for a while but again the problem persists.I believe its due to corruption of OST File. Will this OST Data Recovery tool work to repair OST File in my case?

    Kelvin Hobbins

    Senior Engineer, USA

    Reply for Comments

    • In case of OST File you can try re-creating OST File . It is an effective solution to repair damaged OST file if you encounter problems with OST

      Sandra Smith

      Blogger, UK

      • You can make use of the OST Recovery tool which supports to recover any OST File from corruption. Moreover Exchange Environment is not required to fix corrupt OST File. This OST fix tool will beneficial for you in case of frequent problems & help you restore deleted ost file data

        Nathan Anderson (Author)

  • I have a pretty large OST Files along with good quanity of attachments. My Outlook 2010 stopped working & I was unable to use my Outlook 2013. Everytime I try to open, it crashes. Can this problem be resolved using this OST Repair tool ?

    Mariya Simpson

    Technical Assistant,Russia

    • This OST File Recovery tool helps to repair huge OST File in bulk, it does not have any file size limiation on the size of OST File. It might be possible that you OST File has exceeded the size limitation which can cause the OST file to get corrupted & may cause data loss.

      Nathan Anderson (Author)

  • My OST Size is above 10 GB,I am not able to repair my OST File which . Will this tool work to repair corrupt OST File , in case Scanpst.exe fails?

    Laura Paulo

    Tech Enthusiast,Italy

    • Yes, the OST Data Recovery tool works to restore data from OST file corruption. This OST offline recovery tool does not impose any file size limitation to recover corrupt OST file as well as NST File.

      Nathan Anderson (Author)

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