Near the bottom of each divider between columns in Finder there are two little horizontal bars that when clicked and dragged resizes the column to the left. This is great, but since the last column doesn't have a divider to the right of it, how can it be resized?

2 Answers 2


The last column isn't actually a column, strictly speaking, it's a preview.

The only way to resize it is to enlarge the overall window, which can be a bit irritating if you are a lot of levels deep…

enter image description here

You can try Alt/dragging one of the columns smaller, which will change all of them. Then, allowing for a bit of a screen bug which means you need to change the window size slightly, you can gain as much room as possible for the final column/preview

Graphics glitch/screen bug …

enter image description here

  • I already have the window at the full width of the screen. There are enough levels that there's a horizontal scrollbar.
    – Nate
    Nov 15, 2015 at 16:22
  • I added the alt-drag trick, which may help
    – Tetsujin
    Nov 15, 2015 at 17:53

Make the Finder window larger than the sum of the column width, and you will get a bar you can drag to resize.

Using the example image below, this was achieved by grabbing the resize bar between "Size" and "Kind" and shrinking the Size column just a tad. This allows you to expand the "Kind" column.

After resizing between "Size" and "Kind"

  • You never get a resizer on the last column.
    – Tetsujin
    Nov 15, 2015 at 13:29
  • Which version of OS X? Nov 15, 2015 at 13:30
  • Any I can remember, up to & including El Capitan.
    – Tetsujin
    Nov 15, 2015 at 13:31
  • See edit - just got to a computer to experiment a bit. Just saw your answer, basically the same idea. Nov 15, 2015 at 19:51
  • Pictures would be good, because I can't actually grok quite what you mean [other than if you're talking about the graphics glitch I mentioned in my edit - which is not draggable]
    – Tetsujin
    Nov 15, 2015 at 19:54

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