You can select all the nontransparent areas on a layer, or, if a layer mask exists, all the unmasked areas. Selecting these areas is useful when you want to select text or image content that is surrounded by or contains transparent areas, or to create a selection that excludes masked areas on a layer.
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- To add the pixels to an existing selection, press Ctrl+Shift (Windows) or Command+Shift (Mac OS), and click the layer thumbnail or layer mask thumbnail in the Layers panel.
- To subtract the pixels from an existing selection, press Ctrl+Alt (Windows) or Command+Option (Mac OS), and click the layer thumbnail or layer mask thumbnail in the Layers panel.
- To load the intersection of the pixels and an existing selection, press Ctrl+Alt+Shift (Windows) or Command+Option+Shift (Mac OS), and click the layer thumbnail or layer mask thumbnail in the Layers panel.
Note:
If you want to move all the contents of a layer, use the Move tool without loading a transparency mask.