Would you like some advice? Probably not, but here goes. You should only use your email client’s default font.
Even the most neutral emails sound menacing, unhinged, or inappropriately friendly in almost any font other than the default one. Since this is a guideline and not a rule, there is some wiggle room.
People who run bead stores, pet trainers or groomers, and teachers who work with children in grades three or below can use a “wacky” font when writing in their professional capacity, but only if the email contains good or routine news such as a reminder that Wednesday is room four’s summer solstice celebration, or that dog Halloween costumes are 30% off through Friday.
When writing an email in any other circumstance, professional or otherwise, you will sound a little bit nuts if you stray from Gmail’s “sans serif,” Mac Mail’s Helvetica, or Outlook’s Tahoma.
At best, an otherwise normal email to your boss about your need for a personal day to take your cat to the vet will make you sound like a Cat Lady if it’s in Papyrus.
At worst, an invitation to a nice weekend away at your place upstate, when written in Bradley Hand, reads more like an invitation to get murdered by a killer who will drink a refreshing lemonade over your chopped up body.
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