Open the Forwarding and POP/IMAP tab and activate the latter if it has not been enabled before.After logging in to your Google mailbox, click on the gear icon next to your profile photo to access the settings.Thus, you need to activate the other option to import MBOX files conveniently. In the first case, the system does not preserve the mailbox structure or label information. There are two modes for synchronization - POP and IMAP. link your Gmail account to the desktop software.These systems will serve as intermediaries, as your Google account can be connected to either of them. To move and convert the files for backup, you will need either MS Outlook or Mozilla Thunderbird. If you need to download your entire mailbox, there is no simple workaround. The guide covers three common ways to import MBOX to Gmail. The process requires an intermediary - another mail client or third-party software.

If your data is stored as MBOX, Gmail will not allow you to import it directly. Users who migrate between mail systems face one major problem - format clash.

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