Thanks for the help and suggestions. I think I’m making progress. I hadn’t realised that by adding /share/Public etc to the default syncthing path when adding a folder to sync on the QNAP it will sync to an accessible folder. I’m not too bothered about not being able to modify the files on the QNAP as I’m just using it as a “half-way house” between a Raspberry Pi and Dropbox (there being no Dropbox client for the Pi Arm architecture). If the Pi syncs its Dropbox folder to the QNAP, then there are other QNAP apps that will sync that folder to Dropbox. That’s the plan, anyway!