A non-transitory computer-readable storage medium storing an extension program executable by a computer of an information processing apparatus and configured to extend a function provided by print data generation software for generating print data printable by a plurality of different printers, the extension program causing the computer to execute processing comprising:
- notifying an operating system of the information processing apparatus of
- a default value for a print setting to be displayed on a print setting screen of the operating system of the information processing apparatus.