Disclosed is a folder management apparatus including a memory and a processor electrically connected to the memory. The processor is configured to detect access of a user terminal and to display at least one folder permitted to be accessed by the user terminal along with a folder badge corresponding to the folder, wherein, when update histories including modification and new generation with respect to the folder permitted to be accessed by the user terminal are generated, the folder badge indicates the number of update histories which have not been yet read by the user terminal among the update histories.