Try the Advik Gmail Backup Tool to export Gmail emails to MBOX file format. The software can convert Gmail emails to MBOX file in just a few simple clicks. Simply log in with your Gmail credentials in the tool, select the mailbox folders you want to back up, choose "MBOX" as the export format, and start the backup process. The software automatically handles the conversion, maintains folder structure, and includes all attachments and metadata. This method is ideal for users who want a hassle-free, efficient, and secure way to export MBOX from their Gmail account.

Steps to Convert Gmail emails to MBOX
1. Run the tool and sign in with your Gmail credentials.
2. Choose the mailbox folders.
3. Select MBOX as a saving option.
4. Browse target location and click Backup.

The software will start exporting Gmail emails into MBOX format.