The tool works smoothly for the simultaneous migration of multiple mailboxes. You can make your migration process simple by automating the task with the help of CSV file. The software uses CSV file to export a large number of mailboxes using admin credentials of both Amazon WorkMail and Office 365 accounts. Kernel Amazon WorkMail to Office 365 works well with all Exchange Server versions and Office 365 plans; users are provided with 30 days money back guarantee and 24x7 technical support. Moreover, users can download the trial version free of cost and make themselves comfortable with all the features before registering for the full version.