Of course! If you have your guests' email addresses, you can send them all the notes you want.
If you have added your guest's email address, you can click on the envelope icon near their name on your Guest list.
This will open a modal where you can write a message to your guest. We see a lot of couples using this tool to ask for RSVP's, to remind guests of the weather before the wedding weekend, to send alerts about shuttles...but you can use it for any messages!
If you want to send a message to more than 1 guest at a time or even to ALL of your guests, select all by click the square above all guests, and you will see all guests be checked.
Click "Bulk Actions" and see "Send Message" in the dropdown. Please note that you cannot send a message to a guest if you are missing their email address.