If you want to open your MBOX file in Gmail account without any trouble, then you can try Mailbox MBOX Converter Wizard. It is an easy to use solution which any user can easily access. With this, it is easy to directly import MBOX to Gmail directly with all attachments. It provides you an option of selecting MBOX file or folders for the migration.

Here are the steps to import and open MBOX file in Gmail:

• Open the tool and select your MBOX files.

• Preview emails, click Export and select Gmail option.

• Then enter Gmail account credentials and click Save.