If you don't have the Internet, a network hook-up or Bluetooth you're out of luck transferring files or making an emergency recovery disc unless you have a flash drive. I would hope that Roxio would include the ability to burn an ISO to a flash drive the next time they upgrade the program, since this is a function that just about everybody and their dog needs these days, especially since many new computers are coming sans DVD drives now.
Ironically Microsoft took the ability to copy discs out of Windows 10 (for some unfathomable reason) and that's why I had to give-in and buy the Easy CD & DVD Burning program. Does the higher-end Roxio program do this? I've used just about every EZ Creator program from the first version-on but I wound it up at Creator 2012 because Windows 7 could do just about every routine chore I needed. I am surprised though that the Roxio program didn't include the ability to burn an ISO to a flash drive in this day & age I figured it would burn just about anything to anything, especially since it is able to create ISOs. To access the camera from a Macintosh computer (Mac OSX), simply. File on the USB drive, insert the stick into your PS4 and then boot-up. I did just that and it worked like a charm that's a handy little app and the price was certainly right. Enter the IP address or host name of the camera in the Location/Address field of your browser. While Making a Setup the Fastest DNS for PS4 you will get both connection type.