Microsoft enables Outlook users to store Offline data temporarily on hard drive in the form of OST files during the absence of Exchange Server. These temporary files get automatically synchronized with the previous data files once Exchange Server and MS Outlook reconnect. However, due to the occurrence of synchronization error these files may not update automatically. Perceiving the probability of synchronization error, Microsoft provided OST integrity Check tool named Scanost.exe, which detects and repairs this particular issue. To utilize this inbuilt tool, user must be connected to Exchange Server, as it cannot run offline.
By default, scanost.exe is provided by Microsoft along with Microsoft Office suite. To execute scanost.exe utility, one got to get connect to exchange account. Therefore, locate OST Integrity Check tool (scanost.exe) by executing it:
However, one also got to make a note that its location in Windows OS depends on the Outlook version utilized by user. It varies from version to version.
|Ms Outlook Version||Scanost.exe Location|
|MS Outlook XP||C:Program Files\Common Files\System\MAPI\scanost.exe|
|MS Outlook 2000||C:Program Files\Common Files\System\MAPINT\scanost.exe|
|MS Outlook 2002||C:Program Files\Common Files\System\MAPI\scanost.exe|
|MS Outlook 2003||C:Program Files\Common Files\System\MSMAPI\scanost.exe|
|MS Outlook 2007||C:Program Files\Microsoft Office\Office12|
To utilize scanost.exe, user must make sure that all Outlook files along with application must be closed and then, launch scanost.exe to initiate the OST file recovery procedure. User must follow below mentioned steps in order to utilize this OST integrity check tool perfectly:
However, this method may not prove to be successful all the time as scanost.exe works only when files have been corrupted due to synchronization issue. Besides this, it has few more drawbacks such as:
To resolve aforementioned cases Microsoft expert advice utilizing professional Kernel for OST to PST tool. While choosing external source user must test its credibility by utilizing its trial version as it would help user in better decision-making. These third party tools convert corrupted OST files in PST format to obtain the lost data.