It carries the bureaucratic heft of an HR email about which snacks are now forbidden in the break room, or that of a lawyer signing off an email about a pressing document that won’t e-sign itself.

According to a study of over 350,000 email threads by the productivity app Boomerang, your sign-off really does make a difference. Boomerang studied emails from over 20 online communities' mailing ...

Although it is a cliched phrase, it’s almost never used in email endings. Latin for “seize the day,” this sign-off will present you as an intellectual who encourages others to live their ...