It depends on what type of client / relationship we are talking about. It might go like this: Theodores: I only want to support IE11+ Client: No. What if our

It depends on what type of client / relationship we are talking about. It might go like this: Theodores: I only want to support IE11+ Client: No. What if our users have older browsers? * later * Theodores: I only want to support IE11+ Client: No. What if our users have older browsers? Theodores: That should be exceedingly rare, Microsoft have actually pulled support for those versions recently. See this link. Client: Oh, ok then, great. IE11+ it is.