MBOX data file stores in various MBOX-based email clients like Gmail, WebMail, Thunderbird, Entourage, SeaMonkey, etc. But users cannot import MBOX files to Office 365 directly therefore we need reliable application software.
MailsDaddy MBOX to Office 365 migration tool is the best GUI-based application that supports all MBOX-based email clients and provides hassle-free migration from MBOX to Office 365, Live Exchange, and PST file format.
The software keeps original formatting, inline images, attachments, and other mail properties in an Office 365 account. It also offers dual mailbox: Primary and In-place archive to convert data from MBOX to Office 365.
Read more: Migrate MBOX to Office 365