If you are looking for a best solution for Thunderbird migration to Office 365 process so, here you can download Thunderbird to O365 Migration Software. It is one of the fantastic key to perform direct Thunderbird migration to Office 365 procedure with all its email attachments and other important details. All you need to add the login ID and password of Office 365 Cloud account. It is the Windows based tool that means use this software for Thunderbird migration to Office 365 on any Windows editions.