1. How to Get Back Outlook OST File ?
Outlook OST Recovery
How to Get Back Outlook OST File ?

2. Index Introduction Differences between OST and PST
Creation of .OST file in Outlook 2007
Reasons for OST File Corruption
OST File Recovery Process
OST to PST Conversion
Try Kernel for OST to PST Conversion Software
Why Third Party tool
Support
Thanks

3. Introduction of .OST Files
An OST file, or generally termed as offline storage table (.ost) file, is an offline Outlook Data File used by Microsoft Exchange Server.
The file facilitates user to work with their mail data even when access to the mail server isn't available. In fact, the file proves very beneficial when you have an Exchange account and want to use the default Cached Exchange Mode.
Kernel for OST to PST Conversion Tool

4. Differences Between OST and PST

5. Prime Difference Between the two types of Outlook data files are:
OST and PST
OST file are used when you have an Exchange account and desire to work offline or make the right utilization of the default Cached Exchange Mode.
PST files on other hand are used for Post Office Protocol 3 (POP3), Internet Message access Protocol (IMAP), and web-based mail accounts. If you wish to generate archives or back-up your Outlook folders and items on your PC, such as Exchange accounts, it gets essential to generate and use extra .pst files.
Prime Difference Between the two types of Outlook data files are:

6. Creation of .OST file in Outlook 2007
Click on Tools menu → Open drop down menu and select on Account Settings, then double-click on Microsoft Exchange. 
Microsoft Exchange → More Settings.

7. Click on the Advanced tab, then click on Offline Folder File Settings

8. In the File box, type the path to the file that you want to use as the
In the File box, type the path to the file that you want to use as the .ost file and click on OK.

9. The default name is Outlook. ost
The default name is Outlook.ost. If this file already exists, you will be prompted for a new name.
Notes :
If you see this message, click on OK:
"<path> <file_name>.ost could not be found. Would you like to create it?"
(<path> represents the path to the .ost file and <file_name> represents the name of the .ost file.)

10. Reasons for OST File Corruption
There are many different factors that result in the corruption of OST file such as -

11. Manual/logical Error

12. Hardware  issues
Data Storage Device  failure
Breakdown in Networking Connection  
Power interruption

13. Software related issues
Recover  In-correct File System
Virus attack
Sync Error
OST file becomes corrupted or turn in-accessible because of any one of these reasons, you can try OST Integrity assistant to check OST file.

14. Sync Error

16. Sync Troubleshooting Process

17. Manual Method
Repair An Offline Folder (.OST) File

18. First close Outlook application if application is running then Double-click on Scanost.exe

19. If you have set up Outlook, in the Profile Name list, click the profile that contains the .ost file.
If you are prompted to Connect or Work Offline, click Connect.
Select the options that you want.
Select the Repair Errors check box and resolve discrepancies found during scanning process. In case, the check box is cleared, the tool will log the problems but not make the necessary corrections.
Click Begin Scan.

20. Manual Method
Manual method to convert OST files to PST

21. Convert the Items to New .pst File
By creating a new outlook .pst file in your Outlook profile, you can move your data items from .ost file to outlook .pst file.
You require selecting mailbox items of .ost file
Drag and drop
new .pst file
Note : You cannot adopt same procedure on Contacts, Inbox, Calendar, etc.

22. Archiving Files Method
This method too simply convert your .ost file .pst format by archiving data items of .ost files.

23. Exporting .ost Files To New .pst File
You can also convert your data element from .ost file to .pst format by exporting it into Outlook PST file format. You can also export in Excel and CSV format.

24. Are You Facing Problem ?
If all the above manual method fails to convert your .ost file to .pst file format then you must choose integrate third-party tool.

25. Kernel for OST to PST Conversion Software
The software is highly advance and capable of converting an offline OST file to the Outlook PST file format.
The software can very easily restore the deleted s, contacts, calendars, and covert the attachments.

26. Why Us? This tool also offers some great features like:
Recover s in various formats like PST, EML, DBX and MSG format
Converts OST files created in any Exchange and Outlook environment
Capable of migrating password protected OST files to PST and provides
Support to both compressible encryption and high encryption form.

27. System Requirements

28. Thanks For All twitter.com/osttopsttool
facebook.com/osttopstconversion
osttopstmigration.wordpress.com
ostconversion.blogspot.com
osttopstconvert.recoveryfiles.org
free.convertosttopst.org