The psd format is the Adobe Photoshop data format which can be read on any machine that has Adobe Photoshop installed. It is cross platform and can be used on both PCs and Macs. The PSD format provides extended support for layering, alpha channels, paths, and vectors. The PSD source file included with our templates are usually in a sliced format which allows you to customize and make changes to the images on your skin. This makes it very useful for customizing your website as you see fit. If any additional fonts are required, they are included with the Photoshop file.
PSD is Photoshop’s native file format, sometimes it’s called PDD. PSD or PDD is a widely accepted file format. PSD supports all available image modes (Bitmap, Grayscale, Duotone, Indexed Color, RGB, CMYK, Lab, and Multichannel).
The PSD format is extremely useful as it can support duotones, clipping paths and channels. Moreover, PSD offers a unique feature – it supports layers while every other format must be flattened on export. Any program that supports PSDs directly can then leverage this layer information. Saving as layered images is quite handy as it allows to edit different parts of an image at a later date far easier.