Want a backup or offline access from your Gmail emails saved on a flash drive? This simple do-it-yourself guide teaches you secure and quick email message transfer. Google Takeout will teach you hand motions to download your whole mailbox or a subset of MBOX files. You can just copy the files from once downloaded to your flash drive. We also present the Gmail Backup Tool, which lets you export emails with attachments into several formats like PST, EML, MBOX, and PDF for a quicker and more flexible solution. This article makes the process quick and easy whether your goals are data security, space freeing, or read emails offline.