Do you know the best method to open an OST file into Office 365? So there is the fastest software SysInspire OST to PST Converter tool that can open your OST file without taking much time. It is recommended software by the users due to its feature that makes user work so easy, that is email filtration and mass conversion. You can try this software for free because there is also a free version available in which you can convert 25 items in each OST file and folder. It is a powerful converter tool that converts OST in 15+ different formats like Gmail, Office365, EML, VCF, EMLX, MSG, CSV, Yahoo Mail, IMAP Account and many more. 

Know more:- Open an OST file in Office 365