If you are looking to import OLM file into Office 365 email then you can utilize OLM to Office 365 Converter which can maintain the structure of files so that user can easily understand all imported files. User can import OLM file into Office 365 email through the use of this software as it can work with Windows 10, Windows 8, Windows 7, Windows XP and all other Windows OS. User can try its free demo edition to more understand the procedure to import OLM file into Office 365 email but it has some limitations.