Answered
justlearnskillsCorrect answer
Community Expert
September 1, 2024
@Joshua263417470qed to quickly close all sub-layers in a document, hold down the Option key (Mac) or Alt key (PC) while clicking on the top layer. This will collapse all sub-layers beneath it. When you save the document, these closed sub-layers will be preserved, so they'll remain closed the next time you open the file....see the attached mini video
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