in–box 
/ˈɪnˌbɑ:ks/ noun plural in–box·es
[
count]
1 US : a box or other container on a desk in which letters, notes, etc., that are sent to the desk are placed
—called also (Brit) in tray; —
see picture at office;
compare out-box
2 computers : a computer folder that holds new e-mail messages
▪ There are five new messages in your in-box.
