In what format can ps pictures be saved and edited later?

Ps pictures can only be edited after being saved in PSD format:

1, PSD-Photoshop document (PSD) is a special format of Photoshop, the image processing software of the famous Adobe company. This format can store all layers, channels, guides, notes and color patterns in Photoshop. When saving an image, if it contains layers, it is usually saved in Photoshop(PSD) format.

2.psd file is a graphic file format, so it can be opened by drawing software such as ACDSee or graphic processing software such as I shape my speed and PhotoShop.

3.PSD format will compress files to reduce disk space when saving, but PSD format 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 files retain all the original image data information, it is convenient to modify, and most typesetting software does not support PSD format files.