
Next, if you want to see just the properties on layers with keyframes on them hit the U key.

If you hit the M key twice in a row rapidly it’ll show all the Mask parameters. To show or hide the Masks properties of a layer hit the M key. You can add more than one property as well. If you want to show multiple properties, hit one of the P.A.R.T.S. T = Opacity (for this think T for o-pac-i- TEE or T for Transparency).Select a layer and hit the p, a, r, t, or s key. To show and hide the Transform properties in After Effects use the following keyboard shortcuts P.A.R.T.S.

Recapping Tutorial on Show and Hide Properties You’ll learn the transform shortcuts, how to show and hide keyframed properties, how to show and hide any altered property and more. This tutorial covers different keyboard shortcuts in Adobe After Effects to show and hide layer properties.
