| Subject | German | English |
| IT | Envelope-Gleichrichtung | envelope detection |
| commun. | Envelope-Kanalteiler | envelope-mode channel divider (DBT network function) |
| el. | Envelope-Vermittlung | envelope switch |
| comp., MS | Message Transfer Envelope | message transfer envelope (A MAPI message that holds the delivery information for a message) |
| abbr. | stamped addressed envelope | s.a.e. |
| commun., IT | Zustellungs-Envelope | delivery envelope |