how to highlight multiple files
i had to replace my old iMac with a new 27' running yosemite OS
for some reason I am not able to hi-lite more than one email file in "MAIL" using the typical click and drag over what i want to hi-lite. i can use the command key and click on as many emails i want to hi-lite but would like the option of just dragging over as many as I want in one operation to delete them.
in my old iMac all i had to do was drag down or up on items i wanted to hi-lite. if i go into my Hard drive i can hi-lite as many files etc. i want with the drag over method. why doesn't 'MAIL' work the same way/