What is the legal standing of an unsigned Florida LLC operating agreement. I believe that no company is formed and the document can be change at will until signing.
I think you are confusing Articles of Organization with an operating agreement (this is a common mistake).
No LLC is formed until the Articles of Organization are filed with, and accepted by, the state of Florida.
If Articles have been filed and accepted, a company is formed.
The operating agreement governs how the LLC will be run. An unsigned operating agreement is not going to be binding (though an oral operating agreement is binding in some states), and therefore Florida’s default LLC rules will govern the LLC.
Whether the operating agreement is signed or unsigned, it can be amended by written consent of all the parties to it.