You can migrate MBOX to Office 365 manually by importing emails into Thunderbird and syncing via IMAP, but this approach is time-consuming and technically challenging. Drawbacks: Manual migration risks data loss, lacks bulk-processing capabilities, and often disrupts folder structures. For a seamless alternative, DRS Softech MBOX to Office 365 Migration Tool offers a hassle-free solution with one-click bulk transfers, complete folder hierarchy retention, and guaranteed data integrity—ensuring a fast, secure transition without Thunderbird or IMAP dependencies.

For more information: https://www.drssoftech.com/mbox-to-office365-backup/