Do you play it safe and use "Best" as your sign-off? Do you reveal your enthusiasm ... but also sounds like the way you'd sign a compulsory apology letter after egging your bio teacher's car.

It shows respect and professionalism, making it ideal for official correspondence, cover letters, or job applications. This sign-off is best used when you want to convey a formal tone.

In a letter from 1426 ... Another short hand, no frills sign off for the busy businessperson is ‘br’, meaning ‘best regards’. The problem with this option is that it can just read as ...