New rumors emanating from Microsoft suggest that the Office software team want to take over Cortana's functions and place in the Windows OS. This would mean that Office could strongly inform its development in the future, converting the flagging virtual assistant into more of a productivity helpmeet - much like a certain animated paperclip.
https://www.notebookcheck.net/Cortana-may-die-and-be-reborn-as-the-new-Clippy.338092.0.html