Photoshop has a proprietary format, PSD stands for Photo shop Document is the ability to save documents, graphics with a maximum resolution of 30 thousand pixels and a maximum size of 3 GB is. a way is making, there were Iranian companies this problem by providing English programmer, solution, when finally Adobe in Photoshop CS6 or 13 possibility is making in the version of the standard Photoshop added. Since that time, presenting a first version of CS or 8 (which is Version ME released), etc. Early versions of Photoshop for the Macintosh operating system was designed and the first version designed for Windows as version 2.5 in late-1992 was published by the environment user-friendly software that was causing the popularity of these apps in the same versions of the initial increase find. Adobe Photoshop is definitely the most famous and one of the best software to edit all kinds of documents, graphics and the less there is someone of that name, never heard of it is designer and graphic artist is not that it not be.