Although the manual method does not require any payment, it can work only if all the following conditions become true:
- Small Number of MBOX Files – Manual methods can work when you have only a few MBOX files to convert.
- Limited Email Data – Suitable when the mailbox contains a small amount of data and doesn't require complex folder handling.
- Technical Knowledge Available – Works if the user is comfortable with email clients such as Thunderbird and Outlook and understands the export/import process.
- Small Number of MBOX Files – Manual methods can work when you have only a few MBOX files to convert.