Marie can now edit her photos, send them in emails, print them on a printer, and use them as wallpaper on her computer. This is because Marie converted the photos to

JPG is a common image-file format that can be opened, edited, emailed, printed, and set as computer wallpaper. TASS and AI are not general-purpose photo formats in this context, and OCR refers to technology for recognizing text in images rather than a photo file type. Therefore, the correct choice is JPG files.

AI-written and checked against the verified answer.