Information processing device, computer readable medium and process for information processing

An information processing device includes a processor, and the processor is configured to: associate plural participants of each activity set by a user for each specific purpose with the activity; link a storage area of a file management service for which at least one participant has an access right and that is provided by plural service providers to the activity; and cause a display of a participant of a request source to display a first file stored in a linked storage area for which the participant of the request source has an access right, in response to a request for accessing the activity from each participant.