To bulk import MBOX to Gmail, use the Aryson MBOX Migrator Tool. It perfectly imports MBOX mailbox data and attachments to Gmail accounts. It has a very simple graphical user interface that makes it accessible to everyone. MBOX Migrator Tool is compatible with all macOS and Windows operating systems.
Here some of the key features are mentioned below:
- Allows importing multiple MBOX files in a single batch.
- Supports various file formats and email clients.
- No file size limitations.
- Imports emails with attachments.
- Offers a demo version that migrates up to 25 email clients for free.