Use File > Export > Canvas Image/Mask Layer or File > Export > Make Canvas Picture to save an image layer or sketch image plane as a JPEG, TIFF or BMP file.
Choose File > Export > Canvas Image/Mask Layer to change the image file format (JPEG, TIFF, or 32 bit BMP).
Choose File > Export > Make Canvas Picture to choose the image file format (JPEG, TIFF, 32 bit BMP, or PSD).