Speaking of words on paper…Check to confirm paragraphs are no longer than 7 lines and sentences no longer than 22 words.
Your first sentence must urge reading more…your first paragraph must capture and your last paragraph must WOW. To urge continued reading, use bullets and bolding. (Just not so much it becomes clutter.)
You may use the Johnson Box…a few bolded words above your salutation.
The Wall Street Journal of Writing suggests starting a letter as one talks…
Don’t use, "Dear Jim". Instead, start, “Confirming our conversation of Tuesday, Jim,"
Use Jim’s name in the first sentence…