Not my position to say, but should you not start your own thread instead of hijacking someone else's thread!
As with most things computer there are multiple ways to accomplish the same task. Choose which ever works best for you. I like Concatenate because the intention is much clearer, to me at least, when I go back months/years later and look at the formula. :cheers:
I prefer the ampersand (&) to the fully name, since it is less characters to type. As RetiredGeek indicates it is preference. It is akin to the choice of: