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Jettison automatically ejects external disks from your Mac before your computer goes to sleep.

Simplify those last few seconds when you grab your MacBook and run out the door. Just close the lid and Jettison will automatically eject your backup drive, iPod, or whatever is connected so you can safely unplug it. Say goodbye to "disk was not ejected properly" errors and waking your computer back up because you forgot to eject everything.

Jettison even makes sure that Time Machine backups and file server volumes are properly shut down before they're removed. Your backups and shared files are safe and

What's New

Version 1.5.1:
  • Fixed a compatibility issue with macOS 10.12 Sierra
  • Added an option to unmount drives rather than eject them
  • Network drives are now recognized and handled correctly
  • Shortened the delay before Jettison remounts drives
  • Added a button to save error information when Jettison can't eject a disk
  • Jettison no longer uses display sleep as a


  • OS X 10.6 or later

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Jettison User Discussion

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4.3 13


Current Version (1.x)


Downloads 16,589
Version Downloads 77
License Shareware
Date 31 Aug 2016
Platform Intel 64 / OS X / Intel 32
Price $4.95
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