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How to use ECCS Cloud Emai l- Initial settings, etc. -

FAQ (Frequently Asked Questions)

Updated: March 13, 2023
June 07, 2016



The following are basic instructions for setting up and using the ECCS Cloud Email.

Initial settings -To be done in advance-

When you start using ECCS Cloud Email for the first time, you need to set a password which is different from your UTokyo Account password. Furthermore, users are able to set the local part (the part of the email address before “@”) of the email address. Please log in to the UTokyo Account User Menu and follow the procedure to finalize your preparation to use ECCS Cloud Email.

  1. Set the password from the "ECCS Cloud Email (password)" in the UTokyo Account User Menu (

  2. Check your email address from “ECCS Cloud Email (mail address)” and change the local part if necessary.
    • You can change the local part (the part of the email address before @) by yourself.
    • The domain name is
    • Once you change the local part, you will not be able to change it again for 30 days.

  3. Please wait for the changes to the password, displayed name and email address to be reflected on the system.
    • The updating process occurs twice every hour.
    • Therefore, it can take up to 40 minutes for the data to be updated on the system.

For details of about settings, please refer to the Hyper Workbook 11.2 ECCS クラウドメールの初期設定 (available only in Japanese)

General Use -Instructions and Notes for users who have already completed the above procedures-

Supplementary information