This is a safe and efficient solution to add MBOX data to Office 365 interface and it supports all MBOX/MBX/MBS based email clients. The tool is designed with many internal features that are why it never creates a problem during the whole migration of MBOX to Office 365 or Live Exchange. Thsi tested solution easily convert & upload single or multiple MBOX file to Primary or Archive mailbox (Both O365 & Live Exchange). Try demo edition of MailsDaddy MBOX to Office 365 migration tool to migrate 20 email per folder from MBOX data to Live Exchange or Outlook 365 at free of cost. If it gives accurate results according to your requirements, then you can buy it from the official website or upgrade in full version. It is a well programming utility therefore it will never store the login credential after migrating the data to Office 365 directly. Notable features of MBOX to Office 365 migration tool #. Load unlimited MBOX data into the application using browse option. #. Save email and their attachments in your local drive folders. #. Before performing the exportation, see the original preview of selected emails. #. Instead of Office 365 conversion, user can also export the data in Live Exchange. #. Use bulk exportation method and migrate all MBOX data to Office 365 with single click. #. Search mail filter to export only precious emails from MBOX to O365 or Exchange On-premise. #. Safe Office 365 login window because it will never store user login credential.