You can go with the DRS MBOX to Office 365 Migration Tool. It helps you to migrate your data from the MBOX file to the Office 365 mailbox with the help of the working demonstration. Apart from MBOX to Office 365 migration, you can also migrate MBOX to many other email clients using this tool such as Gmail, Hotmail, Yahoo, AOL, etc. This tool is the best alternative for the lengthy and complicated manual approach. Moreover, this tool is designed with advanced features and an interactive GUI to simplify the migration process.
Quick Guide to Migrate Your MBOX Data to Office 365
MacSonik MBOX Converter tool for Mac is the most powerful and easy-to-use software that converts MBOX files into different file formats on Mac. It precisely converts and exports single/multiple MBOX files into 8+ File Formats and 10+ Email clients with attachments. This MBOX Converter for Mac can smoothly perform the bulk conversion of MBOX file data without any data alteration.