External drives · Ejecting and reconnecting
Which apps does Storage Studio quit when I eject the drive?
Short answer: It asks Xcode, Simulator, Android Studio, Docker, OrbStack and common JetBrains IDEs to quit normally so they can save. The confirmation warns you first, and anything else holding the drive is listed for you to quit.
It asks apps that are known to keep files on the fast drive to quit: Xcode, Simulator, Android Studio, Docker, OrbStack and the common JetBrains IDEs. The confirmation dialog says this before anything happens, and you can Cancel.
Apps are asked to quit normally, so they get the chance to save. If something else is still holding files, the eject stops and Storage Studio tells you which apps to quit yourself.