I don't know what the limit for `for` loops is, but Excel has some limits to nesting of flow control structures like `if`. For example, you cannot nest `if` sta

I don't know what the limit for `for` loops is, but Excel has some limits to nesting of flow control structures like `if`. For example, you cannot nest `if` statements more than seven deep. I suspect the parent poster is referring to a limitation similar to this, but for nesting `for` loops.