Image forming apparatus

An image forming apparatus which includes a reading portion for reading a document, an image processing portion for creating image data of the read document, and a communication portion for transmitting the created image data to an external storage device connected through a network for saving, and obtains the image data saved in the external storage device in response to a user operation to perform required processing, wherein

• a reduced image generating portion for creating reduced image data based on the created image data,
• a storage portion for linking the reduced image data with at least a saving destination of the image data serving as original of the reduced image data for storage, and
• a display portion for displaying an operation screen are included, and
• the reduced image data stored in the storage portion is displayed on the display portion to select image data for which the required processing is performed.