Psd format file is a graphic file format and a special format of Photoshop, the image processing software of the famous Adobe company. So you can use ACDSee or graphics processing software (I shape my speed, PhotoShop, etc.) to open it. ).

PSD format will compress files to reduce disk space when saving, but it contains more image data information (such as layers, channels, clipping paths, reference lines, etc.). ), so it is much larger than other image files. Because PSD file retains all the original image data information, it is more convenient to modify.