What's the differences between `LookIn:=xlFormulas` and `LookIn:=xlFormulas2` when using Range.Find

I am using `Range.Find` in my macro, and I noticed that `LookIn:=xlFormulas2` is only supported in office365. Thus, I have to change my codes from `LookIn:=xlFormulas2` to  `LookIn:=xlFormulas`. Wh...