Crossword Puzzle Office brightener

Clue: Office brightener

Office of the Papal curia (DATARY with 6 letters)
Phone no. at the office (EXT with 3 letters)
What to call a superior officer (SIR with 3 letters)
Admits to office (SWEARSIN with 8 letters)
Sgt. Friday's request at the office supply store? (JUSTTHEFAXMAAM with 14 letters)
Occupants of office (INS with 3 letters)
Pair of officers? (EFFS with 4 letters)
Box-office buy: Abbr. (TKT with 3 letters)
Bishop's office (SEE with 3 letters)
Office thief? (MESSAGETAKER with 12 letters)