We couldn’t sign you in
Select the account you want to use.

You may be logged in with basic authorization (email address and password). If so, you will need to manually delete the Yahoo account from all devices, then readd the account using Open Authorization.

If your domain is "yahoo.co.jp", calendar and contacts are not supported.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Office Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!