You must renew your certification before it expires. You can no longer renew it and will need to retake the exam. It is not possible to extend the renewal period.
https://learn.microsoft.com/en-us/credentials/certifications/renew-your-microsoft-certification-faq
My certification expired. What happens now? If your certification expires, you must earn the certification again by passing the required exam(s). For more information, visit our Certification expiration policy.