Convert cm to psd Online: cm2psd
You can use Tom's Editor to easily convert images from
Puzzle image from X11 .CM to Adobe Photoshop
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Puzzle image from X11 is an image format with extension CM.
PSD is in internal image format of Adobe Photoshop. It can store all the features offered by Photoshop, like layers and paths. Images can be compressed or not.