I have an old PC with only DOS and a legacy phone system loaded. I need to edit a large file and have received the message that there is not enough memory on the hard drive to edit the file. I have deleted all the files I can to create more space to no avail. The only backup system available is a 3-1/4 floppy drive. Is there a way I can copy this large file (approximately 400M) to several floppy disks?