To determine where a file is located, select the file and go to File > Reveal in Finder.
Do the following to open a photograph file from Bridge.
Double click on a file or thumbnail to open it in Photoshop Elements.
If the photograph opens in Preview or iPhoto instead of Photoshop Elements, do the following.
Go to Bridge > Preferences > File Type Associations.
Change the program that is used to open the file to Photoshop Elements.