To import an image as a paint layer mask
- In the Paint Layers window, select a paint layer or a layer mask, then do any of the following:
- Click > Import Layer Mask.
- Right-click the layer and select Import Layer Mask from the pop-up menu that appears.
- In the file browser that appears, select an image file to use as a mask on the paint layer.
To export a layer mask as an image file
- Select the layer mask you want to export and do one of the following: