A paper tray with a down arrow on top, as a symbol for an email inbox. Generally depicted as a white or wooden try with a red or green arrow.
May be used for various digital activity, including downloading, messaging, and emailing.
Google’s design feature a blue arrow and contains paper, as does Facebook's.
See also 📤 Outbox Tray.
📅 Inbox Tray was approved as part of Unicode 6.0 in 2010
and added to Emoji 1.0 in 2015.