To import OLM files into Office 365 without facing any issues. You can take the help of a professional utility like TrustVare OLM to Office 365 Converter Software. This specialised application effortlessly imports any large OLM files into the Office 365 Account directly, while maintaining the proper folder hierarchy and metadata. The specialised utilities are compatible with the OLM file of Outlook for Mac 2011, 2016 & 2019. Also, this OLM to O365 Migration Tool are easy to use that both technical and non-technical users can smoothly utilise this application. Moreover, this software runs flawlessly in all the latest and older editions of the Windows Operating System.