BackUp Gmail creates a local backup of your Gmail account. It's lightweight, silent, and reliable: the easiest way to backup your Gmail account and protect your data.
Features
Access your data whenever and wherever you want
Install it and forget about it
Is a lightweight menu-bar app that works in background
Can personalize how the backup is performed and set-up your destination folders as you wish
Decide if you want an hourly or daily backup of your account, and set the times yourself
What’s new in version 1.9.4
Updated on Oct 28 2016
Version 1.9.4:
OAuth2 authorization system on backup and restore procedures
New Statistics page in Utilities
Moved IMAP transaction logs in a local file (for debug procedure)