If you are looking to convert AWS Workmail to Office 365 then you will go with this informative article Migrate AWS WorkMail To Office 365. In this article, you will get the trusted manual solution to migrate the process. However, the manual answer is a high chance of data loss. Therfore, they will also introduce an advanced solution AWS WorkMail Migration Tool.  It is a feature-rich tool that allows its user to backup and migrates their Amazon Workmail emails into PST, MBOX, EML, MSG, etc. formats and email clients like Office 365, IMAP, Gmail, G Suite, etc. Moreover, it provides an intuitive graphical user interface that ensures a smooth working experience for its users. Additionally, they are flawlessly compatible with all versions of the Windows operating system. To analyze the performance you can download it.