You can go with SysInspire OST to PST converter software to repair OST file. This tool has many features such as it can convert OST files in multiple file formats such as OST to PST, EML, EMLX, Office 365, HTML, etc. it has 10+ file formats for conversion. It supports all versions of Outlook and it also supports all versions of Windows. It has a demo version that can help users to convert 25 files from each folder. It can show the preview of the OST file before conversion. It has tech support 24x7 users can get help by mail or Live chat.
