If you want to know which OST converter is best for doing OST data recovery and conversion then you should definitely use InQuit OST Converter. This InQuit OST to PST Converter features such as it can be easily used on all versions of Windows OS like 95, NT, 98, ME, XP, Vista, 7, 8, and 8.1,10 (32bit & 64bit). There are no size limitations for the conversion so you can convert any size of files easily without facing any difficulty. You can directly export your data into a cloud-based Office365 & Live Exchange Server application. By using this tool you can convert your data into various formats like PST, EML, EMLX, vCard, vCal, MSG, and MBOX, etc.