I am running 10.9.5 and some folders in list view have no triangles by the subfolders. I would love to know why this happening and how to fix.
MacOS – Finder folders have no triangle to twirl
findermacos
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Best Answer
I think you have set the folder to be "Arranged By..." something e.g. name. Go to the View menu; choose "Arrange By", then "None". You can still sort the columns.