A paper tray with an up arrow on top, as a symbol for an email outbox. The outbox is where emails are kept if they are finished and are supposed to be sent out. Generally depicted as a white or wooden tray with a red arrow.
|URL escape code||%F0%9F%93%A4|
|Bytes (UTF-8)||F0 9F 93 A4|
|C, C++, Python||\U0001f4e4|