An RSVP is a confirmation letter that a guest receives before a special event such as a party, wedding, or conference. The guest fills in the RSVP to confirm his or her presence at the event. In some cases, the RSVP requests additional information from the guest, such as preferred meals or beverages. Are you planning an event? Great! Knowing how many of your guests are attending is essential. Just copy this online RSVP form template and customize it on 123 Form Builder. Add the fields that you need, write your introduction, style the RSVP with your colors, and share it online. Happy celebration!