In this Qt6 video we are going to learn about Qt6 QMessageBox, The QMessageBox class provides a modal dialog for informing the user or for asking the user a question and receiving an answer. A message box displays a primary text to alert the user to a situation, an informative text to further explain the alert or to ask the user a question, and an optional detailed text to provide even more data if the user requests it. A message box can also display an icon and standard buttons for accepting a user response. There are different types of Qt messagebox that you can us, for example we have about messagebox,information messagebox, warning messagebox and multichoice messagebox.