Doesn't Excel now support Power Query M which is similar to F# and supports lambdas (and much more)?

https://support.office.com/en-us/article/create-power-query-...

https://msdn.microsoft.com/en-us/query-bi/m/understanding-po...

https://msdn.microsoft.com/en-us/query-bi/m/power-query-m-re...