To export Thunderbird data to Office 365 platform, I would like to suggest Thunderbird to Office 365 Migration tool. It helps to import TB files to Exchange Online, Outlook[dot]com, Live Exchange and Outlook PST format. The tool has combination of huge facilitate that easily migrates single or multiple Thunderbird files to Outlook 365. With this solution, user can export the data from Thunderbird to Office 365 primary and archive mailbox. It is able to preserve similar folder hierarchy, mail-properties and attachments.
- Auto Load option to load TB files into the application automatically
- Maintain similar folder-tree and attachments
- Export Thunderbird to Primary & Archive Mailbox
- Use Mail-filter option to export only filtered emails
- Save emails into given format such as EML, HTML, MHTML, & RTF.
- Run application on all Window based operating system.
For more information visit: http://www.thunderbirdtooffice365.com/