A data processing apparatus is provided in which data is stored in a state distributed to a storage destination depending on the data property, so that the stored data is reused easily and that the storage of the data is managed efficiently on the basis of the data property. Storage means comprises a first storage section, a second storage section, and a memory controller serving as data distributing means. The first storage section temporarily stores data outputted (processed for output) from each section (a scanner section, a FAX section, a network processing section, etc.) of data processing means. The second storage section comprises storage regions partitioned in correspondence to the data properties, and stores data satisfying a predetermined condition among the data outputted (processed for output). The memory controller distributes the data to either the first storage section or the second storage section depending on the data property.