mbsync is a IMAP sync tool. Gmvault is a dedicated Gmail tool so it preserves all Gmail specific attributes like the labels, ... and allow you to restore all yo

mbsync is a IMAP sync tool. Gmvault is a dedicated Gmail tool so it preserves all Gmail specific attributes like the labels, ... and allow you to restore all your emails in a Gmail account. With mbsync you might be able to upload your emails on a gmail account but you would then loose lots of information and your restored gmail account would be end up being very different.