Office 365

Business PlusBusiness Plus
Office 365Office 365

Office 365 is a cloud-based collaboration platform with the latest Office applications, such as Word, Excel, and PowerPoint, and many other productive services that users can subscribe to based on their needs.
You can use the applications from different devices, on desktop and mobile devices, when and where necessary. This service can be easily managed even by those who do not have IT expertise.
Use this service, optimized for business purposes, to improve the operational efficiency.

Implementation sizeRecommended for a wide range of business sizes from a small start-up company to a company of over 300 employees

What Is Office 365?What Is Office 365?

Services Available in Business Plus Office 365

Business Plus Office 365 offers corporate customers three plan options, Office 365 Business Essentials, Office 365 Business, and Office 365 Business Premium, each of which is a combination of six services shown below. Select a plan according to your needs.

Business Plus (in Japanese only)

Introduction of Six Services



Latest Office applications

Office 365 license is granted for each user, not each device. Up to 15 devices, including a PC and tablet, can be used per user ID (*1). You can use the latest Office programs cost-efficiently.

  1. Five PCs, five tablets, and five smartphones

Microsoft Teams

Microsoft Teams

Presence check, Web conference, chat

One-to-one or group chat sessions can be conducted between necessary members. Documents can be easily shared in a Web conference where up to 250 participants can join in.

Exchange Online

Exchange Online

Email, schedule, contacts

You can send emails with an attachment file without capacity concerns. This service can be easily accessed from any devices via the Internet. It also includes the advanced filtering function.

SharePoint Online

SharePoint Online

Document management/sharing, internal portal site

Allows you to efficiently manage documents and share information in your company. You can also manage version histories and restore files.

OneDrive for Business

OneDrive for Business

Personal cloud storage

Each user can use a large storage of 1 TB. If you save files, you can access them at your home or outside and even share them on a Web browser.



Internal SNS

Use this service as a project team portal or communication tool among employees. Information can be shared easily like SNS.

Inquiries by Phone

docomo Corporate Information Center


Mobile phone/

9 a.m. to 6 p.m. (excluding Saturdays, Sundays, national holidays and New Year's holidays)

  • Not available from overseas.
Go to top of the page