You can't get unemployment benefits unless you are "free to work", which includes being authorized to work for any employer, which someone on TN is not, as they are only authorized to work for a specific employer. They can get unemployment benefits transferred to their Canadian province, however.In Covid19 apply for unemployment rt away. You will get your unemployment or Atleast Covid19 relief of $600 per week till July 31st.
You can't travel right now to Canada so your visa should be extended
To apply for UI, you MUST first go back to Canada and apply from there thru Service Canada coordiantion. You ARE indeed eligible for state UI, but NOT while physically in US.
Please, Nimc2002, you have made several errors in your posts. Stop.