Can I back up photos to USB flash drive on my Samsung J3 and if so how

[AC Question]

Can't seem to get copy and paste menu

 

[Tim1954]

Plug it in and move them over like sd card...

 

[B. Diddy]

Welcome to Android Central! I'd also make a plug for Google Photo backup: https://support.google.com/photos/answer/6193313?co=GENIE.Platform=Android&hl=en