An upward arrow, usually above a horizontal bar or an open tray.
Also known as: Up arrow, Arrow pointing up
An upward arrow means upload — sending a file from the device in use to a remote system. It is the download arrow reversed, and the pair works only because both follow the same spatial convention.
Marks a control that transfers a file from the device in use to a remote system.
Contexts: Software
Is drawn identically to the share icon's box-and-arrow form on some platforms, which is a genuine ambiguity rather than a misreading — the same drawing carries both actions depending on the system.
Contexts: Software
A vertical arrow pointing upward, in most drawings rising from just above a short horizontal bar or from the mouth of a shallow tray.
The box-with-an-arrow drawing is used for both actions on different platforms.
The same arrow reversed, for the opposite direction of transfer.