Agrilife is a great blog that I subscribe to. It covers Texas and Federal law that affects farmers and ranchers in Texas, which is a very big undertaking. Below is an article that does a great job discussing a recent Court of Appeals case regarding a lost will. It's usually worth the cost of having a new will prepared if you can't find your original will.
https://agrilife.org/texasaglaw/2023/06/19/what-happens-if-the-original-will-is-missing/?fbclid=IwAR1tjsMpeipUMWEKmKlnYRg82AYIj5GFbn0ozXUTPgxxygtZt37fJfZywME