in-box

or in·box

[ in-boks ]
/ ˈɪnˌbɒks /

noun

a boxlike tray, basket, or the like, as on a desk, for holding incoming mail, messages, or work.
Computers. a folder for receiving and storing incoming e-mails or text messages.

Example sentences from the Web for inbox

British Dictionary definitions for inbox

inbox
/ (ˈɪnˌbɒks) /

noun

(on a computer) a folder in a mailbox in which incoming messages are stored and displayed
a US and Canadian name for in-tray