Saving the images in adobe photoshop

*There are different formats for saving the picture.
*Best quality format for saving the picture is jpeg format.
*After saving the picture in this format, you cannot change that picture further.
*If you want to make that picture which u want to modify later. Like adding some text, deleting some text then you have to save the image in ‘ photoshop(*.PSD,*.PDD)’ format.