In FileApp, press the ‘Sharing’ button :

FileApp Wi-Fi button
On your Mac, download, install and launch the free FTP client: Cyberduck and then follow the following steps:
- Click on the ‘Bonjour’ tab, your device should appear in the list

- Check the ‘Anonymous login’ option and click ‘Login’

- You are now connected, you can copy files by dragging them for the Finder to Cyberduck (and the other way round!)

