An OST file, or offline storage table (.ost) file, is an offline Outlook Data File, used by Microsoft Exchange Server, which enables users to work with their messages and mail data even when access to the mail server isn't available. Sometimes unknowingly your OST file gets corrupted and you have to face severe problem as all your emails, contacts, tasks, journal, appointments, meeting requests, RSS feeds, etc becomes inaccessible. Don’t panic & no need of tolerating anymore tension? Scan OST will solve your issue and recover all lost emails along with the other attributes of OST files. It is the most proficient, easy to use, very fast program to scan OST file and get back all information from it. It will scan Outlook OST file within a short period and restores all information from it in a new healthy OST file format.

Reasons behind OST file corruption:

• While transferring OST file between different versions of Outlook in PC, if the OST files faces minor errors, then it tends to get corrupt.
• We all know that the size of OST file is limited in all Outlook versions. Whenever the size of OST file exceeds the limited size, there are chances of corruption of file.
• Sometimes OST files are not supported or inaccessible after upgrading Outlook versions in Windows.
• There are times in which Outlook terminates suddenly due to power failure or abrupt PC reboot. In case if Outlook was accessing some information related to task when it terminates abnormally, then it gives corrupt OST file.
• While sharing data from virus infected PC; virus easily enters your PC and corrupt files including OST files which are stored on hard drive.
• Formation of bad sectors on hard drive causes file system error and results in corruption of files stored on hard disk.

The Scan OST has got lots of features which helps to scan OST file and fix it in spite of the occurrence of above mentioned scenarios. It can repair oversized Outlook OST, for e.g. Outlook 2000-2002 files get corrupt when it reaches 2GB or more size, Outlook 2003 and Outlook 2007 after 20GB, Outlook 2010 after 50GB, etc. It can repair OST files of Outlook 2003 & other versions, that cannot be repaired using inbuilt inbox repair tool - i.e. scanpst.exe, provided with Outlook . You can scan OST file and recover all the attributes of OST file along with email messages emptied from deleted items folder or deleted from any other Outlook folder. It will scan Outlook OST file by utilizing inbuilt scanning algorithm. This is industry recommended tool especially to scan Outlook OST file and extract all data from it. It can also repair password protected OST files.

It has capability to scan corrupted PST files and supports files created on different versions of Outlook like 2010, 2007, 2003 & 2000. OST file with high compression or even with best encryption can also be repaired. Scan OST repairs the corrupted OST and restores it into a new healthy OST file. It generates the new OST file in Outlook 2003 – 2010 format for easy import. You can use the Find option provided by Scan OST if you don’t know the storage location of the OST file. It provides two different scanning options such as Normal Scan (recommended) and Smart Scan. Generally smart scan is used to repair file which gets corrupted because of scanning attempts using scanpst.exe or any other third party tool.

Few steps to scan corrupt Outlook OST files

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Step 1: Download, install and then launch the Scan OST application. Select or browse the particular corrupted OST file you want to repair as shown in fig 1. If you are not sure about the location of PST file, search for it using Find option.

Figure A: Welcome Screen

Step 2: After that choose the preferred scanning option as per the situation. Set the destination path to save new PST file. Now click on Repair button to proceed.

Figure B: Select Scanning method

Step 3: As soon as the repair process is finished, you will get list of recovered items as shown in Figure C. Evaluate the recovery results using preview option which is shown in Outlook style browser view. If you are happy with the results, buy the full version of the software to save repaired file with recovered data.

Figure C: Recovered Summary