PSD files are layered graphics file extension developed by Adobe for their commercial program which is very popular among designers – Adobe Photoshop. Adobe Photoshop is surely expensive and not everyone has a copy installed onto there system. So, if you have received any PSD file then these are associated with Adobe Photoshop program. You will have a hard time editing any of the psd file without Adobe program.
Anyway if you want to Preview PSD file then here is a nice little addon I found from blogsdna which allows you to have a glimpse of the PSD file in thumbnail view.
The freeware PSD file viewer not only opens PSD file but also EPS file from your windows explorer (PS+Ai Thumbs). PS Ai thumbs is hosted on Google sites and should be directly downloaded from here. I have checked out the program and it is free from virus. I’ll come up with few more ideas and other freeware psd viewer quite soon 😉