I got a new camera and Photoshop and Lightroom won't open Raw images with my new Camera Canon 6D help! I use Photoshop CS5 extended version. and Lightroom 3
Good news and bad news:
The bad news is that you need CS6 or higher to open 6D RAWs. (The 6D didn't get support until Camera Raw 7.3; 7.0 premiered in CS6.) You can choose to upgrade (I'd recommend skipping CS6 and go straight for CC 2014 for $10/month) *OR*...
...the good news is that the DNG Converter can help you convert your RAWs into DNGs for use in CS5 and Lightroom 3.