If you are looking for some way to import an MSG file to Office 365, then you can take help of this Regaintechnologies MSG to Office 365 Migrator tool. There are No file size for MSG Migration you can easily Migrate your any size of MSG file without any file size limitation. This Software has option to selective Migration where user can easily use Search option for selective migration that helps user to Migrate their only desired files which they want to Migrate into their desired location.