• [Expo ID] What is the Expo ID Guide ("Guide to Handling Personal Information Related to Expo IDs")?
• [Expo ID] Why do I need an Expo ID to buy electronic tickets?
• [Expo ID] Can I purchase an admission ticket without obtaining an Expo ID?
• [Expo ID Registration] I would like to look up my Expo ID.
• [Expo ID Registration] What is an Expo ID?
• [Expo ID Registration] Can I use my Expo ID even if I change my device?

Overview

• [Expo ID login] Three types of identity verification settings are displayed, but I don't know which one to select.
• [Identification of Expo ID] Which identity verification method should I choose?
• [Identity verification for Expo ID] What is biometric authentication, passcode authentication, etc. for Expo ID registration?
• [Identity verification for Expo ID] What type of iidentity verification methods can be used when registering for an Expo ID?
• [Identity Verification of Expo ID] Do I need to verify my identity when I register for an Expo ID?

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How to set up

• [Identification of Expo ID] My identity can't be verified.
• [Identification of Expo ID] When I log into my Expo ID, I am asked to authenticate, how do I respond?
• [IdIdentity Verification of Expo ID] I read the Expo ID registration manual for iPhone users before registering on my iPhone or iPad, but I cannot confirm my identity.
• [Identification of Expo ID] When verifying my identity for my Expo ID, I get a message on my android that says “Connect the security key to your device. If the key has a button or gold disc, tap here” message appears and I cannot verify my identity.
• [Identification of Expo ID] I cannot use FaceID for identity verification for Expo ID because the camera on my iPhone is broken.

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One Time Password

• [One Time Password Authentication for Expo ID] I no longer receive emails for authentication by email even though I did receive them before.
• [One Time Password Authentication for Expo ID] Cannot return to the login screen after viewing the authentication email.
• [One Time Password Authentication for Expo ID] I haven't received the authentication email.
• [One Time Password Authentication for Expo ID] The login screen disappears after viewing the authentication email.
• [One Time Password Authentication for Expo ID] I can't get "Authentication by Email" to work. I don't know how to do it.

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Biometric authentication

• [Identification of Expo ID] I want to use biometric authentication for identity verification.

Linking to external accounts

• [Expo ID] An error occurs when setting up Facebook login linkage after logging into Expo ID on iPad.

Overview

• [Expo ID] Can I register for an ExpoID if I am under 16?
• [Expo ID Registration] Why are Expo IDs not automatically numbered?
• [Expo ID Registration] What kind of emails will I receive if I agree to receive emails?
• [Expo ID Registration] Why do I have to enter my personal information?
• [Expo ID Registration] Why can't my Expo ID contain any personally identifiable text?

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Terms of use and privacy policy

• [Expo ID] For general visitors, what is the purpose of the personal data obtained by the Association listed in the privacy policy?
• [Expo ID] In what circumstances do you expect to provide personal data to regulatory authorities relevant to the Expo?
• [Expo ID] Why was the privacy policy revised in March 2025?
• [Expo ID Registration] I cannot check the box to agree to the Privacy Policy.
• What personal details do I need to register in order to obtain an Expo ID?

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How to register

• [Expo ID registration] Is the Expo ID the same as the ticket ID?
• [Expo ID Registration] I don't know how to register a new Expo ID.
• [Expo ID Registration] I would like to know how to register a new Expo ID.
• [Expo ID Registration] I have obtained a ticket (ticket ID) and would like to know how to register a new Expo ID.
• [Expo ID Registration] I tried to register a new Expo ID, but an error message “ID not entered correctly” was displayed and I could not register the ID.

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• [Expo ID]Can I change my ExpoID?
• [Expo ID Registration] I am unable to complete the update on the Expo ID profile entry screen.
• [Expo ID]I cannot change my password.
• [Expo ID] I want to change my password.
• [Expo ID] I selected to not recieve emails in my Expo ID settings, but I still receive emails.
• [Expo ID] I want to change the language of my Expo ID email.

• [Proxy registration of Expo ID] Can I set up "authentication by email" as a proxy registrant?
• [Proxy registration of Expo ID] I updated the email address of the an Expo ID that I registered as proxy for someone, but the update is not reflected.
• [Proxy registration of Expo ID]What is proxy registration for Expo ID?
• [Proxy registration of Expo ID] I want to cancel the “relationship” of proxy registration.
• [Proxy registration of Expo ID] I can't do proxy registration.
• [Proxy registration of Expo ID] Is there a maximum number of proxy registrations I can do?

How to log in

• [Expo ID Login] Where can I log in to my Expo ID?
• [Expo ID login] I use private browsing on safari, will it still work correctly?
• [Expo ID login] An error message is displayed when I try to log in from the bookmarked Expo ID login screen.
• [Expo ID Login] The screen says, “Your login has expired.Please continue operation.” message appears on the Expo ID login screen.
• [Expo ID Login] Can I use any email address, such as webmail or a mobile phone email address?

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Linking to external accounts

• [Expo ID]After logging in to the Expo ID, an error occurs when setting up the LINE login linkage.
• [Expo ID registration] There is an error when I try to link my LINE account.
• [Expo ID Registration] An error occurs when I try to link an external account.
• [Expo ID Registration] I can't clikc the 'Sign in with Apple' button on the Expo ID login screen.
• [Expo ID Registration] How did you select the social media account that can be linked under “Linked to external accounts”?

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• [Expo ID Logout] I want to log out.
• [Expo ID Logout] What happens when I log out?

• [Deletion of Expo ID] Can I cancel the deletion of my Expo ID?
• [Deletion of Expo ID] Can I reinstate my Expo ID after I deleted it?
• [Deletion of Expo ID] If I delete my Expo ID, what happens to the tickets I have already purchased?
• [Deletion of Expo ID] Can I register again with the same email address after I deleted my Expo ID?
• [Deletion of Expo ID] I would like to delete my Expo ID.
• [Deletion of Expo ID] I cannot delete my Expo ID.