TopicConvert thunderbird MBOX mails data into Exchange Online mailbox?
To convert Mozilla Thunderbird MBOX mails into exchange Online mailbox then use Thunderbird to Office 365 Migration Tool. It easily migrates TB data into Office 365 with the same rich text formatting and inline images. The software supports bulk migration from Thunderbird to Office 365. The use can also import selected Thunderbird data in O365 mailbox. It easily performs with all editions of windows OS.