50. You’re the definition of a great neighbor. Thank you for all you do! 54. Thanks for being such a great coworker—I really ...

Whether they're your friend or someone you only acknowledge in the break room, we've got you covered with these birthday wishes for coworkers of all kinds.

When you spend as much time as you do with your coworkers (those nine-to-five shifts ... a long way in showing that you appreciate them and all the work they do. As for what you shouldn't say?