I would like to know how to switch horizontal and vertical scrolling in OS X 10.9, i.e. when rolling the ball to the left to make the screen go down, and when rolling right to make the screen go up.

Question is not how to switch horizontal/vertical direction! Question is how to switch axes x and y.

Does anyone know how to do that? Thanks in advance!

  • 1
    Hold your mouse sideways?!?
    – stuffe
    Commented May 21, 2014 at 14:01

1 Answer 1


System Preferences > Mouse

Scroll direction check box will be at the top of that window.

  • you are short worded, give us bit more please, make it 2 line answer.
    – Ruskes
    Commented May 18, 2014 at 20:39
  • I edited it slightly, but I really doubt this needs a longer answer. I'm not really sure what you think I should elaborate on?
    – Josiah
    Commented May 18, 2014 at 20:41
  • I know, we just like the more descriptive answers :)
    – Ruskes
    Commented May 18, 2014 at 21:04
  • Scroll direction checkbox swaps up & down directions. What I'm asking is how to swap x and y axes.
    – Bugs Bunny
    Commented May 19, 2014 at 12:18
  • @BugsBunny for the trackpad, it switches both x,y. I just tested it. If you are using a logitech rollerball type mouse, the answer may lie within that preference pane.
    – njboot
    Commented May 21, 2014 at 14:40

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