How can backup a single Gmail account as well as multiple Gmail accounts utility ?

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There are different approaches for backing up Gmail accounts, whether through Google Takeout, copying Emails to external storage devices, sending emails to different accounts, or professional software like Sysinfo Gmail Backup Tool. Your choice surely depends on your personal preferences, through the manual method is cautioned against due to its time-consuming and potential for errors during configuration, in the end, professional tools streamline the process ensuring a swift and error-free export.