Hello Kai Henderson,
From your description, Windows has an Internet connection, but Microsoft apps are unable to detect or use it correctly. This can happen when the Windows network configuration, DNS cache, or Microsoft sign-in services are not responding properly.
Please try the options below and check whether the issue continues:
- Open Get Help, search for sign in to Microsoft Office, and run the Microsoft 365 sign-in troubleshooter.
- Search for Command Prompt, select Run as administrator, and run these commands one at a time:
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /flushdns
ipconfig /renew
Restart the computer afterward.
- Press Windows + R, enter
services.mscand make sure Network List Service, Network Location Awareness, and Microsoft Account Sign-in Assistant are running. - If the issue continues, try repairing Microsoft 365.
Open Settings > Apps > Installed apps, find Microsoft 365, select the three dots ... > Modify, then choose Online Repair > Repair. This repairs the entire Office suite, and you may need to sign in again afterward.
If Microsoft services still show no internet access, create a temporary Windows user profile and test there. If everything works in the new profile, the issue is likely limited to settings or sign-in data in the original profile.
Please let me know how it goes after trying these steps, and I'll be glad to continue looking into it with you.
If the answer is helpful, please click "Yes" to accept answer and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.