Photoshop CS4
Edit a Smart Object's Contents
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How To
Step #1: Click on Layer in the top menu bar.
Step #2: Click Smart Objects.
Step #3: Click Edit Contents.
Step #4: Click OK.
Step #5: Click on the close button of the new document.
Step #6: Click Yes.
Result: The contents of the smart object have been modified successfully, and the changes are reflected on the document layer as well.
Step #2: Click Smart Objects.
Step #3: Click Edit Contents.
Step #4: Click OK.
Step #5: Click on the close button of the new document.
Step #6: Click Yes.
Result: The contents of the smart object have been modified successfully, and the changes are reflected on the document layer as well.
Quick Step
Layer -> Smart Objects -> Edit Contents