In an information processing apparatus stores, save data shared among first-third applications is stored in a memory for saved data by bringing it into correspondence with the first-third applications as first-third data. A computer integrates the first-third data stored in the memory for saved data within a main memory when the first application is activated, for example, and updates the integration data in accordance with execution of the first application and overwrites the first data and second data stored in the memory for saved data with the updated integration data in response to an automatic saving instruction or a saving instruction by a user at the same time.