Note: This only applies to forms using the legacy email-based URLs. If you registered and created your form online at Formspree.io, or with our CLI, you will not need to activate or confirm your form. For more information see phasing out legacy forms (email URLs).
Good news! Formspree gives you a 24 hour window after the activation email was sent to confirm your email and receive the first submission made. All you have to do is activate your form and then we'll send along the submission.
Note that this only applies to the first submission made to an unconfirmed form. Any further submissions made while the form is unconfirmed will be discarded.