| Subject | English | Tamil |
| comp., MS | envelope journaling | என்வலப் ஜர்னலிங் (A type of message journaling in which the original unaltered message is included as an attachment in the journal report) |
| comp., MS | message transfer envelope | செய்திப் பரிமாற்ற என்வலப் (A MAPI message that holds the delivery information for a message) |