How to install Microsoft 365

The MS365 service provided by Tokyo Tech ended as of the end of March 2025.
Please use the MS365 provided by the Science Tokyo tenant from now on.

End of Service for Tokyo Tech MS365 Account (March 27, Thursday) and How to Migrate to Science Tokyo Tenant MS365

The MS365 account (xxxx@o365.tokyotech.jp) for the Tokyo Tech tenant will be discontinued on Thursday, March 27, 2025. We have already started providing MS365 services under the Science Tokyo tenant, so please migrate to the MS365 services under the Science Tokyo tenant by the above service end date. (How To Migrate)
Please note that Microsoft Office LTSC installed via TTInstaller will continue to be available beyond the fiscal year 2025.
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