There are a few things employees should always avoid doing in the office.Ziga Plahutar/Getty ImagesBusiness Insider asked an etiquette coach about mistakes to avoid when interacting with coworkers.She said gossiping with colleagues or poking fun at others is never OK.Being punctual and mindful of your body language are key ways to demonstrate respect in the office.From spreading gossip to showing up late to meetings, employees often make subtle missteps when interacting with coworkers.Although many of these mistakes aren't meant to be rude, they can still affect a person's reputation at work.