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Jettison eliminates the hassle of manually ejecting external drives before you put your MacBook to sleep.

With Jettison, you just close your MacBook, unplug and go!

'This software is a welcome utility! I can't count how many times I've closed my MacBook Pro lid and forgot to eject external drives first.' - Marc Garneau

You're taking your MacBook with you. What do you need to do?

Without Jettison

1. Switch to the Finder
2. Open a Finder window if there's not one open
3. Click to eject each external or network drive
4. Wait for the drives to disappear
5. Close your MacBook
6. Unplug your drives

With Jettison

1. Close your MacBook
2. Wait for your computer to sleep
3. Unplug your drives

And what if you decide not to leave, and open your MacBook back up?

Jettison will check to see if your drives are still connected and will mount them back on the Desktop automatically.

Technical Wisdom

Q: Why do I need to eject hard drives before unplugging them?

A: You risk losing data if you don’t. macOS doesn’t write information to the drive immediately - it often caches it to make operations faster. If you unplug a drive without first ejecting it, macOS may not have a chance to actually write that data to the drive!

SD Card Drives

berlin1000 drive and Nifty MiniDrive owners: You can use Jettison to eject your SD card before sleep and remount it upon wakeup. This will let your MacBook go into deep sleep mode while still keeping your SD card drive convenient.