If you received a message stating that your Office 365 license was recently assigned, it may take a few minutes for the license to fully activate. If the same error persists after waiting, try the following steps:

🧪 Troubleshooting Checklist

A. Confirm Your Office 365 Account

• Make sure you’re signed in with the correct employee account (e.g., employee_number@*****.co.jp).
• Check if your license appears active in the Microsoft 365 Admin Center or via your IT team.

B. Determine If It’s an Account or PC Issue

• Try signing in from a different device or browser.
• If the issue only occurs on one PC, it may be a local configuration problem.

C. Clear Your Browser Cache

• Open your browser settings.
• Clear Browsing History, Cookies, and Cached Images and Files.
• Restart the browser and try accessing Office 365 again.

If the issue persists after these steps, contact your System Help Desk to confirm license activation and investigate further.