A method of controlling an information processing apparatus configured to execute an extension application associated with printing data generation software operatable in the information processing apparatus to extend a function includes: adding information on an extended function to printing function information used in the printing data generation software; switching in accordance with a setting value stored in common information shared with the extension application whether to perform skip processing in which conversion processing of intermediate data performed by the printing data generation software is skipped; and editing the intermediate data in which the conversion processing is skipped in the printing data generation software in the switching and converting the edited intermediate data into printing data.