Hi and welcome
The ps G1xMkIII uses SD cards. Avoid Micro SD cards with adapters. If saving files to a computer it is best to remove the card and insert it into the computer via a built-in or USB vard reader.
cheers, TREVOR
Before you ask us, have you looked in the manual or on the Canon Support Site?
"All the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
