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SysTools OST Recovery
Recover Inaccessible OST File & Export into img

(Average Rating 4.6 Based on 134 Reviews)
  • View All OST File Messages: Mails, Calendar, Contacts, Tasks
  • Extract & Recover deleted messages from OST files: Emails, Calendars, Contacts
  • Repair & Restore OST into common file types like img
  • Supports to Repair & Recover Corrupt Outlook NST File
  • Apply Filters by Date Range to Export 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 2016, 2013, 2010, 2007 & All below versions
  • Support OST file of both Compressible & High level Encryption
  • No File Size Limitation for recovering the OST File

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Free Live Demo - SysTools OST Recovery Fully Secured Download Version

Expert Reviews for OST Recovery Software

There can be conditions when Offline OST file in Outlook 2016/13/10/07 gets corrupted and need to be recovered in such cases SysTools OST repair tool is the simple utility which easily recover all the mailbox data of Offline OST file. The software is desined so easily that all types of users can use it without any prior knowledge. There is no limit to recover data using this tool.

 MS Exchange Expert

SysTools OST recovery software is the ultimate solution to repair & restore Offline OST mailbox data. Its 4.5 version has many update and new features which allow user to convert the data into a healthy state after successfully recovering it from corrupted state.

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

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

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 converting OST data file.

Filehippo states SysTools OST Recovery software as safe and secure 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

restore OST file

Restore OST & NST Data

Outlook OST Repair tool can recover all permanently deleted emails from OST file in Outlook 2007/10/13/16 like; deleted emails, contacts, tasks, calendars etc. After recovering NST & OST file, the tool save the repaired & make data MS Outlook accessible.
Note: NST & OST File with Unlimited Size get successfuly restored

scan OST File

Scan to Repair OST File

Two scanning modes are available to repair damaged OST file in Outlook 2013/10/07 i.e. Quick scan and advanced scan. Quick scan is 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 2016/13/10/07.

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: Emails, Contacts, Calendars, Tasks, Notes, etc.; with its item count. Also, it will display emails in normal mail view with associated attachment preview.

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.

export 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

Export Selective Files / Folder

Select and check the specific file or folder that you want . The software will only export the 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.

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 export & save all email or items within these date range.

multiple export options

Multiple Message Export 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 2016/13/10/07 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.

no ms outlook required

Export Data 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 export independent of Outlook.

export report

Get Complete Export Report

After the complete OST file repair restoration; an Export report will get generated by the OST Repair software. The report will contain the details of exported mailboxes and path of saved files. You can save this report in .csv file format for future reference.

different naming

Different Naming Options

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

OST Recovery Tool Screenshots
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: Export Mails, Calendar, Contacts from OST File
export ost files
Step 4: Successfully Recover OST File
Watch Live Video of OST Recovery Utility

OST Recovery Software Specifications
OST Recovery Box

Size: 24.5 Version: 5.0

Trial Limitations

Trial Limitation

Download OST Recovery

Installation Uninstallation EULA

System Specifications

  • Support: Windows 10/8.1/8/7 & all below Windows version
  • Processor: 1 GHz Processor (2.4 GHz is recommended)
  • RAM: 512 MB of RAM (1 GB is recommended)

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)
  • Support recovery of OST file of 32-bit & 64-bit

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?

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

Does the 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.

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

No, you can recover any size of OST files with this software. It does not impose any restriction on the size of OST files.

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 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 software 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 my OST file using SysTools OST recovery tool Freely ?

Yes, software will easily recover corrupted or damaged OST files & will save OST file items into EML / MSG / file formats.

Why Can't I access my OST File normally?

The need of exporting 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 also provides conversion of data from OST files to EML format. 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 software support?

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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
Export OST File as , EML or MSG File 25 Items / Folder All Items
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OFFER Valid Till 20th Mar

OST Recovery + Outlook Recovery





$98   $68

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SysTools OST Recovery

Alternate Payment Option

$298   $230

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Bundle Offer - OST Recovery + Outlook Recovery

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$549   $399

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Bundle Offer - OST Recovery + Outlook Recovery

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$998   $799

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Bundle Offer - OST Recovery + Outlook Recovery

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OFFER Valid Till 20th Mar

OST + (Exchange + Outlook) Recovery





$447   $399

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Bundle Offer - Exchange Recovery + (OST + Outlook) Recovery

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$697   $499

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Bundle Offer - Exchange Recovery + (OST + Outlook) Recovery

Alternate Payment Option

$747   $549

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Bundle Offer - Exchange Recovery + (OST + Outlook) Recovery

Alternate Payment Option

$2498   $1999

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Bundle Offer - Exchange Recovery + (OST + Outlook) Recovery

Alternate Payment Option

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 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.

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 to manage large OST files on my desktop and suddenly by mistake some of the mails gets deleted. I tried all possible ways to recovery them, but unable to do so. Then, one of my colleague suggested me to use Outlook OST Recovery Software. It was a wonderful experience for me. It will be so easily to recover deleted emails using this tool.

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 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 if you encounter problems with OST File

      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. It will benefiacial for you in case of frequent problems

        Nathan Anderson (Author)

  • I have a pretty large OST Files along with good quanity of attachments. My Outlook 2010 stops working & I am unable to use my Outlook . Everytime i try to open, it crashes. Can this problem be resolved using this 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 tool works to restore data from OST file corruption. This tool does not impose any file size limitation for recovery of NST as well as OST File.

      Nathan Anderson (Author)

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