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Keio Single Sign-On System(keio.jp) authenticates you to use online services operated by Keio University safely and conveniently. keio.jp is the general name for Keio Single Sign-On System.

Terms of Use

keio.jp Terms of Use.

User's Manual

User's Manual of keio.jp.

Keio Mail

Keio University Mail & Web Service (Keio Mail) is an email and Web application available through a Web browser.

Google Workspace for Education

It is a set of services that Google provides for educational institutions and that lets users comprehensively use functions such as Email, Calendar, Chat, and Online Storage.

Class Support

A system used for study materials distribution to students, classroom message boards, and submitting/acceptance of reports, etc.

Class Support New Layout and Features Release


Online storage service.

Web Conference System

Webex is a video conference service from Cisco. Web conferences can be conducted over the Internet from PCs and mobile devices (iOS, Android).

Web-Based Courses for IT Utilization

Introductory videos on how to use some useful software such as Windows and Office Products are available online.

Academic Access Management Federation in Japan (GakuNin)

An authentication system of Japanese universities, also available for keio ID.

Last-Modified: April 28, 2021

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