Why can’t I see the picture thumbnails in Qfile?
Applicable Products
Qfile
Solution
Please login to your NAS web management page using a NAS administrator group's account.
Install and start Multimedia Console in App Center if it has not been installed yet.

Launch File Station and then click on 3 dots at top-right corner to choose Settings.
Select Multimedia tab and then enable Support multimedia playback, streaming, and thumbnail display option.

For further assistance, ask other users and QNAP experts in the community. Go to QNAP Community