Ost is an offline folder which consists of outlook data when user in the offline mode. From exchange server these will the copy of distinct feature and emails of outlook. You may get some error messages while synchronizing the ost file in MS outlook with your mailbox on the Exchange Server.
Not able to open a default email folder. The ost file isn’t an offline folder file
Experience a large amount of conflict of items
Not able to open a specific outlook data when in offline.
Unfit to build up the folder. Errors could have been seen in the ost file. Stop all mail-drew in applications, and after that utilization the Inbox Repair Tool
Some issues found with OST.
Getting already specified error message shows that the OST file gone corrupted. There may be different reasons for the corruption of these OST files those are,
Data storage device failure.
Connection organization failure.
Incorrect file system recovery
Inappropriate end of MS Outlook
To repair the corrupted OST files, Microsoft Outlook itself gives an inbuilt OST Integrity Checker (Scanost.exe) that helps in finding and repairing the OST file synchronization issues. This tool repairs both damaged OST file and the mailbox on the Exchange Server, considering the email items and folders in both, and repairs the synchronization issues. This tool does not modify the mailbox on the Exchange Server but instead records the refinements in the output log that can be corrected. The output log moreover recognizes the conditions that the tool couldn’t resolve and ought to be fixed properly. Remember, to use the OST Integrity Checker while you should be connected to your Exchange account with the objective that the tool can channel your mailbox folders and items.
Another inbuilt tool is the Inbox Repair tool (Scanpst.exe) for OST file recovery which outputs the OST files and analyzes the file structure reliability. This tool moreover helps in diagnosing and repairing the errors in Exchange OST files. The tool checks the .OST files and ensures that the file structure remains immaculate. Also, the tool does not speak with the Inbox folder on the Exchange Server in any strategies.
Usage of both these OST Integrity Checker (Scanost.exe) and Inbox Repair tool (Scanpst.exe) fails to repair the damaged, corrupt or inaccessible OST files, by then you have to use a third-party tool like EdbMails for OST to PST Converter, which repairs the damaged OST files, recovers the entire email data and saves them in PST files. While performing conversion from OST to PST, the entire email items can be gotten to with Microsoft Outlook. It can be downloaded to no end as fundamental version to evaluate its abilities.