It should be Attach
This opens an explorer window from where you choose your file click open. The exporer window closes and the attacment is added and can be seen under the subject box on the new email window
Dell XPS 13 9370 (2018) review
No need to scan sketches into your computer with Moleskine's new smart pen
WWDC history: Apple's product launches since 2005
Comment importer des contacts d’un iPhone à un autre iPhone ?