Effects and animation presets (keyboard shortcuts), Layers (keyboard shortcuts), Layers (keyboard – Adobe After Effects CS4 User Manual
Page 752: Shortcuts)

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USING AFTER EFFECTS CS4
Keyboard shortcuts
Last updated 12/21/2009
Effects and animation presets (keyboard shortcuts)
Layers (keyboard shortcuts)
Note: Some operations do not affect shy layers.
Replace selected footage item
Ctrl+H
Command+H
Reload selected footage items
Ctrl+Alt+L
Command+Option+L
Set proxy for selected footage item
Ctrl+Alt+P
Command+Option+P
Result
Windows
Mac OS
Delete all effects from selected layers
Ctrl+Shift+E
Command+Shift+E
Apply most recently applied effect to
selected layers
Ctrl+Alt+Shift+E
Command+Option+Shift+E
Apply most recently applied animation
preset to selected layers
Ctrl+Alt+Shift+F
Command+Option+Shift+F
Result
Windows
Mac OS
New solid layer
Ctrl+Y
Command+Y
New null layer
Ctrl+Alt+Shift+Y
Command+Option+Shift+Y
New adjustment layer
Ctrl+Alt+Y
Command+Option+Y
Select layer (1-999) by its number (enter digits
rapidly for two-digit and three-digit numbers)
0-9 on numeric keypad*
0-9 on numeric keypad*
Toggle selection of layer (1-999) by its number
(enter digits rapidly for two-digit and three-
digit numbers)
Shift+0-9 on numeric keypad*
Shift+0-9 on numeric keypad*
Select next layer in stacking order
Ctrl+Down Arrow
Command+Down Arrow
Select previous layer in stacking order
Ctrl+Up Arrow
Command+Up Arrow
Extend selection to next layer in stacking order Ctrl+Shift+Down Arrow
Command+Shift+Down Arrow
Extend selection to previous layer in stacking
order
Ctrl+Shift+Up Arrow
Command+Shift+Up Arrow
Deselect all layers
Ctrl+Shift+A
Command+Shift+A
Scroll topmost selected layer to top of
Timeline panel
X
X
Show or hide Parent column
Shift+F4
Shift+F4
Show or hide Layer Switches and Modes
columns
F4
F4
Turn off all other solo switches
Alt-click solo switch
Option-click solo switch
Result
Windows Mac
OS