Q. [Expo ID] I received an email that my Expo ID is no longer valid, what does that mean? A. If you did not request the deletion yourself, it is possible that your account was deleted was done for some reason, such as a violation of the Terms of Use. Related articles [Expo ID] What is the Expo ID menu? [Visiting date/time reservation] I am planning to come as a group. What if we all want to book the same date and time? [Visit date/time reservation] I am planning to visit with a group of friends. Is it possible to book a visit date and time together even if we buy tickets individually? ［Admission Ticket］Please tell me about My Ticket. [Expo ID Registration] Why are Expo IDs not automatically numbered?