you can use zoomfloppy or xum1541 for backuping up. i have both, but i prefer zoomfloppy.
https://github.com/tebl/C64-XUM1541-II https://www.go4retro.com/products/zoomfloppy/
| Sysop: | CyberNix |
|---|---|
| Location: | London, UK |
| Users: | 25 |
| Nodes: | 10 (0 / 10) |
| Uptime: | 13:44:23 |
| Calls: | 925 |
| Files: | 6,050 |
| D/L today: |
38 files (12,107K bytes) |
| Messages: | 891,301 |