Here is video developed for a customer, demonstrating how to use XLInputs to easily create a custom TradeStation Strategy Optimization. The methods enable smart optimizations, with all records maintained in Excel. If you need to start and restart an optimization, Excel keeps track and resumes where it was stopped.

StratOptiByXLinputs1

You can even take such optimization methods to the next level, with external code or EasyLanguage functions to choose the next set of inputs based on performance.