Use OST to office 365 Converter Software which is the 100% able to fix outlook ost file and also import ost to office 365  account easily. This ost to office 365  tool smoothly restore deleted, corrupted, lost or damaged OST files and folders in just a click in office 365  account. Designed with the latest scanning techniques, this ost to office 365 migration tool allows recovering and restoring ost file at a user defined location and into different formats like- Office 365 account, pst file, OLM, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc. 

OST to office 365 Converter