You can backup Gmail emails with Google Takeout but if there are large amounts of emails then it takes a lot of time to complete the process. However, with Advik Gmail Backup Tool, you can download all Gmail emails at once with full accuracy. It is a trustworthy solution that does not lose any single bit of data during the process. Using this tool, you can save Gmail emails with attachments in their desired formats. It maintains folder hierarchy throughout the process. It provides various advanced filter options to download selected emails according to your needs. The interface of this utility is very simple and easy to use. Download the software and try for free.