A method, performed by a mission critical data (MCData) message store entity, of depositing MCData for file distribution (FD). the method includes receiving a MCData deposit an object request message or a MCData retrieve file to store locally request message, wherein the MCData deposit an object request message comprises information regarding the object and the MCData retrieve file to store locally request message comprises information regarding object identifier, based on the MCData deposit an object request message or the MCData retrieve file to store locally request message, retrieving uniform resource locator (URL) of file content in a MCData content server, based on a result of the retrieving, fetching the file content from the MCData content server, storing the file content into a MCData user's storage area in the MCData message store entity, and updating the object with the URL referencing the file content stored in the MCData user's storage area.