c# - How do I add a button to this area of Outlook? -

so have done research , found how add custom ui panels various peices of outlook user interface via addons, nothing have looked @ has answered specific question.

i add new button area (blue arrow) along side these other buttons (pink arrow).

this menu appears both in "people" context , when hover on someone's contact picture in outlook.

also if has documentation on various pieces of outlook ui , proper names different panes, appreciated.

the outlook extensibility model doesn't provide that.