As far as I am aware, "won't" is completely equal to "will not".
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kolokoy 1. A compilation report will not have an opinion.2. A compilation report won't have an opinion.I chose #1, but my boss chose #2Thanks"won't" is the contraction for "will not", so it's not worth arguing about. The meaning is the same. Your boss appears to like contractions more than you do! That's all.
kolokoy But will not is more professional to use in writing?It's more formal. In the opinion of some, very formal.