To fix an Office 365 license issue or help at 1-866-719-1004, first ensure you’re signed in with the correct Microsoft account that’s linked to your subscription. If your subscription is expired, renew it through your account portal. Check your internet connection, as online validation is required for license activation. You can also try repairing the Office installation via your system’s control panel. If that doesn’t work, sign out and sign back into Office, or uninstall and reinstall the software. Contact Microsoft support or help at 1-866-719-1004 if the issue persists.
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