SysTools OST Recovery
Recover Inaccessible OST File & Export into
Extract & Recover deleted messages from OST files: Emails, Calendars, Contacts
View All OST File Messages: Mails, Calendar, Contacts, Tasks
Designed to Repair Corrupt OST files easily
Apply Filters by Date Range to Export Selective Items / Folders
File into Small Parts
Repair & Restore OST into common file types like
Also Restore OST file to
Maintains Email Metadata like Read / Unread Status & Message Dates
Supports MS Outlook ,
& All below versions
Support OST file of both Compressible & High level Encryption
Tested for 20 GB of OST file, Results in Recovery Rate of 2mbps
There is no File Size Limit for recovering the OST File.
MS Outlook Installation is optional for restoring OST data
Need to Convert Multiple OST Files at Once ?
Key Features of SysTools OST Recovery Software
Restore OST Data
Software can recover all permanently deleted emails from OST deleted emails, contacts, tasks, calendars etc. After recovering file, the tool save the repaired
& make data MS Outlook accessible.
Note: OST File with Unlimited Size get successfuly restored
Scan to Repair OST File
Two scanning modes are available to repair damaged OST file 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 recovery. Now, the software performs Quick scanning by default.
Preview Data with Item Count
After recovery, the 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
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.
Extract Selected Items from OST
On saving selective emails or items from the recovered OST
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.
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.
Maintains Email Folder Structure
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.
Apply OST Mail Filter
While restoring & extracting data from OST you can specify date range to apply mail filters. T you can export & save all
email or items within these date range.
Multiple Message Export Options
After recovery of OST data, you can extract the OST file into multiple e-mail
or .eml or .msg. Each of these formats can further be used in various email archiving applications an Outlook, Outlook Express, Windows Mail etc.
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
The software enables the user to save an OST file 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.
Export Data Without Outlook
The software gives the provision to extract data from OST file into different file formats with MS Outlook as optional component in the user machine. The user can perform complete recovery and export independent of Outlook.
Get Complete Export Report
After the complete OST 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 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.
OST Recovery Tool Screenshots
Step 1: Add OST File
Step 2: Preview OST Emails
Step 3: Export Option
Step 4: Select Destination Path
Watch Live Video of OST Recovery
OST Recovery Software Specifications
Trial Limitations
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 – , 2008, XP, Vista, or Windows 7/8/8.1/10,
(32-bit & 64-bit)
MS Outlook – Outlook , (32/64 bit),
Support recovery of OST file of 32-bit & 64-bit
Frequently Asked Question
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
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.
No, you can recover any size of OST files with this software. It does not impose any restriction on the size of OST files.
The software will create a UNICODE
file which can be used in all latest version of Outlook including MS Outlook , , 2003 versions.
No, you do not require an Exchange Server environment to recover corrupt OST file. The software can recover orphan OST file also.
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 .
Yes, software will easily recover corrupted/damaged OST files & will save OST file items into EML / MSG /
file formats.
The need of exporting Offline Outlook Data Files may come across in the following conditions:
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.
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.
Overcoming Sync Issues: "Error 6-" 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.
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 respectiv MS Outlook (standalone), Windows Live Mail, Outlook Express, Windows Mail, etc.
No, the software does not make any changes to the data or the metadata of OST file emails while recovering it. Contents of your OST file will be kept absolutely safe throughout its recovery process by the software.
If you are getting the error "Exchange OST is in use and can't be accessed" even after closing all possible applications that may use the file, then probably it must be occurring because one or more of the closed applications is running in the background due to improper closure. Kindly follow the given steps to close them:
Right click on the Taskbar and select 'Start Task Manager' or simultaneously press CTRL+ALT+DEL keys and select 'Start Task Manager'.
Go to the Processes tab.
Click on outlook.exe and click on End Process.
This will help you get rid of the problem successfully without the need of restarting either the application or the computer.
SysTools OST Recovery is supportive towards all available versions of the Outlook as well as Exchange Server.
to 2010, &
Exchange: 5.5, , , & 2013 (32 & 64-bit)
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
OST file corruption has completely left me stuck in middle as my entire emails were stored in it. After opting SysTools OST I am able to get my data back without any efforts. Thanks to your support team for their help.
Samantha George, Sydney
Why SysTools is Better than Others...
The seamlessly faultless yet ever improving services of SysTools OST Recovery along with it being a spyware and malware free tool helped us accolade it with the Software Informer Editor's Pick Award and 100% Clean Software Award.
The SysTools OST recovery software has got an Editor's Pick award with 4 stars rating which makes it more viable solution to recover corrupt OST file.
You can now download and use OST recovery without any second thought as it has been now marked as 100% clean and safe by Software Informer Team.
Consistent performance and malware / spyware free download of SysTools OST Recovery tool won it the highly honorable Editor's Pick Award with 100% clean solution in a row from the Softpedia team.
SysTools OST Recovery was recently recognized with the Editor's Pick Award & also honored with the 100% Clean Software program bySoftware Informer for being an all-rounder & malware free application.
When integrity issues are surfaced within an Exchange OST files and leads to synchronization failure then it probably is a result of corruption. In some of the cases, error me stating detection of errors in the respective OST file. However, an apparent failure of built in utilities is foreseen while SysTools OST Recovery comes to the rescue.
1One of the by far unique capabilities of the tool is to
format, despite of the fact that manually doing the export leads to Exchange OST and MAPI profile conflict resulting in compatibility issues.
2Provision of the dual scanning mode for OST files is another productive feature of the software. By default OST files are scanned under Quick Scan however, if the offline data file is severely corrupt, and then Advance Scan can resolve the issue.
3Recovered from an OST can be exported into other file types as well i.e. MSG and EML file type other than Outlook data format. Along with the export in a namin email subject, date, etc.; can also be set for each email message restored.
Order Now OST Recovery
Get an Overview of OST Recovery Features - FREE and Licensed Version
FREE 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
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