What to write in a birthday card for mom or dad. Happy birthday, Dad. Though I might not always say it, I'm so grateful for you and everything you've done for me.

We all know that a birthday deserves a celebratory acknowledgement, but many folks have trouble figuring out what to write in a birthday card other than the obvious 'happy birthday' phrase.

When you spend as much time with your coworkers as you do, it’s only natural to be part of their big moments — including birthdays. Whether you’re close collaborators or just share the same break room ...

You could also write one of these relatable parent quotes in the birthday card—they perfectly sum up being a parent. Happy birthday messages for siblings RD.com, Getty Images ...

Wishing your coworkers a Happy Birthday can be a bit tricky, but with our roundup of birthday wishes for coworkers, you'll find the right words.