A lot of time can be spent in Photoshop clicking between menu items and palette buttons. Learning a few Photoshop CS4 shortcuts can really help you to work more efficiently. Here are some of the most common Photoshop keyboard shortcuts that I use.

New Document	Ctrl+N
Open	Ctrl+O
switch between open Photoshop files	Ctrl+Tab
Save	Ctrl+S
Cut	Ctrl+X
Copy	Ctrl+C
Paste	Ctrl+V
Undo	Ctrl+Z
Redo	Ctrl+Y
Step Backward	Ctrl+Alt+Z
Select All	Ctrl+A
Deselect	Ctrl+D
Select Inverse	Ctrl + Shift +I
Switch Foreground/Background Colors	X
New Layer	Ctrl+Shift+N
New Layer via Copy	Ctrl+J
Free Transform	Ctrl+T
Zoom in	CTRL + +
Zoom out	CTRL + -
Help	F1

To see all the Photoshop CS4 keyboard shortcuts open Photoshop and click on Edit > Keyboard Shortcuts > Summarize

You can see a list of all the default Photoshop CS4 shortcuts here. There is also a downloadable Photoshop CS4 Shortcut Cheat Sheet here.

In my next post I will show you how you can customize Photoshop CS4 shortcuts.