21 Unspoken Rules For Working In An Office 1. Eat food from the kitchen that does not belong to you.2. Leave all your personal dirty dishes in the kitchen sink.3. Reply-all to emails that do not require you to reply all.4. Reply-all to an email when the sender specifically said “no need to reply all.”5. Heat up fish in the microwave.6. Eat eggs at your desk.7. Show up to work sick and risk getting everyone else sick.8. Ignore important emails ...