How to restore missing expansion triangles in the Finder<article>
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<p>One of the most basic things you can do in the Finder in list view is expand a folder by clicking a triangle to the left of its name. This unfurls its contents. (Option-click and it expands all sub-folders.)</p><p>However, Macworld reader Walter writes in on behalf of a friend whose triangles are missing! This isn’t a geometric problem, but rather one of organization I expect. Apple offers two separate ways to display items in a Finder window in list view: Sort By and Arrange By. They’re two different kinds of things easily mistaken for each other.</p><figure class="large "><img src="
https://images.idgesg.net/images/article/2018/02/mac911-finder-arrange-by-no-triangles-100750687-large.jpg" border="0" alt="mac911 finder arrange by no triangles" width="700" height="487" data-imageid="100750687" data-license="IDG"/> <small class="credit">IDG</small>
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<p>When using Arrange By in the Finder in the list view, folders don’t have expansion triangles.</p><p class="jumpTag"><a href="/article/3257601/os-x/how-to-restore-missing-expansion-triangles-in-the-finder.html#jump">To read this article in full, please click here[/url]</p></section></article>
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How to restore missing expansion triangles in the Finder