To migrate from Amazon WorkMail to Office 365 using the Kernel Amazon WorkMail to Office 365 tool, simply install the tool on your machine and configure it with your Amazon WorkMail and Office 365 credentials. Once connected, you can select the mailboxes and data you wish to migrate, such as emails, contacts, and calendars. The tool will then transfer the data securely to Office 365. After the migration is complete, verify the data in Office 365 and update your DNS records (MX, Autodiscover, etc.) to route emails to Office 365. This tool simplifies the migration process with an easy-to-use interface and ensures a smooth transfer without data loss.