When saving your backups to removable media, such as floppy disks, Zip Backup can make the file span multiple disks if the archive file is too large to fit on one disk. For this to work you must enable the MultiDisk Mode on the options menu. You will be prompted to change disks when necessary, remember to number the disks as they are made as they will need to be used in the correct order should you need to restore your files. In this mode you must also have Update Only on the options menu set to off.