You can resend a confirmation email to a guest anytime in ResyOS from the guests Reservation Profile. 

  1. Navigate to the date and shift of the reservation you are looking for
  2. Locate the reservation on the reservation list and tap on it to open the Reservation Profile window
  3. Tap the three dots icon to the far right of the guests name to open the Reservation Profile dropdown menu
  4. Select 'Resend Booking Email' to complete

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