Select and delete photos

My Cloud OS 3 Personal & Network Attached Storage My Cloud Mirror
1

I have put a lot of photos und my wd cloud mirror ; Some of them I want to delete . I can do it by deleting them one by one ,but I want to select them and then delete them all together ;
Can somebody tell me how to do that ,thanks

2

Hello,

Have you tired mapping the drive to your computer and then deleting them from the mapped folder?