The couple was spotted attending a screening of the series finale in Los Angeles.
Krasinski, who played Jim on the popular NBC show, took to Twitter to share his feelings with fans.
"So this is it," he wrote. "There's truly nothing I can say to tell you all how much your love and support of this show has meant. Thank you...thank you!"
No, John. (As well as all the other folks at Dunder Mifflin.) Thank you.
(E! and NBC are both part of the NBCUniversal family.)