If you want to access OST file then you can use the software that is perfect for the fix error into any OST file that is SysInspire OST to PST Converter tool. This software has the ability to convert any OST file into the different formats like PST, Office 365, VCF, CSV, MSG, IMAP Account, EML, EMLX, Zimbra Desktop, Yahoo Mail and more. You can get the technical support 24/7 through email and live chat. So if you get any problem you can just email and the problem will be immediately solve. You can  also use the free demo of the software.

Know more:- Access Error OST file