Is It Okay To Use The Ampersand In Formal Writing?

Is It Okay To Use The Ampersand In Formal Writing? The Associated Press Stylebook advises using the ampersand when it is part of a company’s formal name or composition title (e.g., Barnes & Noble, AT&T, Ben & Jerry’s); otherwise, the ampersand should not replace the word and, except in widely accepted abbreviations such as B&B