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Cloud App Microsoft 365

Office 365 provides a convenient and secure way for you to share your emails, schedules, and files with your colleagues.

[Updated October 23, 2026] Notice of Temporary Service Suspension due to Urgent Maintenance

Thank you very much for your continued support of Microsoft 365.
We will be performing system maintenance as a preventive measure aimed at ensuring and improving system security.

We apologize for any inconvenience this may cause and highly appreciate your understanding and cooperation in ensuring the safety of our services.

  • Target Service
    Microsoft 365

  • Maintenance Schedule
    Service Suspension: Wednesday, October 21, 2026, from 21:00 JST (End Time TBD)

  • Details
    System maintenance is currently being performed on the administration portal.
    * DNS name resolution services will not be affected during the maintenance window.

Use it anywhere and anytime you need, from any of your devices

  • The latest features are always available!

Downloading from the cloud allows you to use the latest versions of Office applications all the time.

  • Access your files from anywhere!

Large-capacity cloud storage enables you to access your files even when outside the office. You can also do tasks from a tablet.

  • Active communication!

Achieve information sharing, operational efficiency, and productivity improvements through the use of email, chat, online meetings, phone calls, file sharing, and more.

What is Microsoft 365?

Many customer companies around the world have migrated their business platforms to cloud services. This cloud service for Microsoft Office applications, which hold overwhelming market shares, enables you to do tasks through multiple devices such as PCs, tablets, and smartphones both online and offline environment.
In addition to Office applications, KDDI can offer security features as well.

Support for more efficient telework and your other DX projects

Workflow

Single Sign-On

Attendance management

Business Application

What is the best solution for your problem?
Please consult a KDDI consultant.