Ejectify
Automatically unmounts external disks when your Mac starts sleeping, and mounts them again after it wakes up.
Requires macOS 10.12 or later.
Features
☆ Prevents annoying Disk not ejected properly notifications when your Mac wakes up.
☆ Prevents connected external disks and their volumes to get corrupted.
☆ Configure what volumes should be (un)mounted automatically.
☆ Available in 🇬🇧 🇳🇱 🇫🇷 🇩🇪 🇮🇳 🇯🇵 🇵🇹 🇷🇺 🇪🇸.
☆ Configure when volumes should be unmounted automatically:
• When screensaver started.
• When screen is locked.
• When screens started sleeping.
• When system starts sleeping.
☆ Automatically mounts volumes again when your Mac or screens wake up.