EML to Office 365 Converter is the best suitable third party utility that support to convert EML into office 365 in bulk at once. The tool is compatible with Windows OS edition i.e. 10, 8, 7, 8.1, Vista, XP, etc. and also supportable on all Mac OS version. No technical assistance is required to easily convert EML into office 365 format. You can save EML files directly to admin account of Office 365 without facing any issue. To learn more details, you can use its trial version that allows to convert first 25 .eml for free. Need to convert EML into office 365 in multiple of numbers, you can directly purchase the licensed edition of the utility.