Jumping between Photoshop and ImageReady
You can easily jump between Photoshop and ImageReady to use features in both applications when preparing graphics for the Web or other purposes. Jumping between the applications allows you to use the full feature sets of both applications while maintaining a streamlined workflow. Files and documents updated in one application can be automatically updated in the other application.
To jump between Photoshop and ImageReady:
- Click the Edit In Photoshop button
or Edit In ImageReady button 
in the toolbox. - Choose File > Edit in Photoshop or File > Edit in ImageReady.
Do one of the following:
When jumping between Photoshop and ImageReady, the applications use a temp file for transferring changes.