How to recover my inaccessible OST file?
For recovery of OST file you can choose scanost.exe utility manual method which is provided by Microsoft itself. However, the tool only works in minor corruption cases. If you want a complete and concise recovery of OST file and its data items, you can opt out third party
OST to PST Recovery Tool. It works smoothly to perform recovery task and move entire recovered OST file to various formats including PST, MSG, DBX, MBOX and EML.