File extensions are three-digit designations at the end of a file name that indicate what format the file has been saved in. Common artwork file formats include: .eps, .jpeg, .pdf, .ps, .psd, .tiff. File format, which is unique for different file types, specifies how information is organized.

Portable document format or .PDF for short is a universal file format developed by Adobe Systems to preserve all fonts, formatting, graphics, and colors of any source document. PDF allows any file to be read by the Acrobat reader regardless of the hardware or software platform on which the file was created.

Tagged image file format or .TIFF for short is one of the most widely supported file formats for storing images on a computer. TIFF can handle up to 24 bits of photographic image, but TIFF is an older format that requires more storage space than needed for files in .JPEG or .PSD formats.

Encapsulated postscript file or .EPS for short is an Adobe Systems-developed file format. It is a device-independent PostScript representation of a graphic or other object. It stores files as vectors and includes a low-resolution bitmap representation for quick on-screen viewing.

PostScript or .PS for short is a software language for printing that describes fonts, images and graphics as mathematical expressions that do not require fonts or other dependent files.

Joint photographic experts group or .JPEG or .JPG for short is a file format used for color images. This format retains a high degree of color while requiring less storage space than needed for other file formats. Uncompressed .JPEG files can be used for high-quality printing.

PhotoShop document or .PSD for short is a file format for documents created and saved in Adobe Photoshop as layered images, which makes editing different parts of an image at a later date far easier. It is the only file format supporting all available image modes (Bitmap, Grayscale, Duotone, Indexed Color, RGB, CMYK, Lab, and Multichannel), guides, alpha channels, spot channels, and layers.