Where to find humor. There are topics that can be near universally humorous. Misers, bad drivers, absent-minded people, anything that is understood worldwide as the human condition. What’s a ridiculous situation you’ve been caught in lately? There are funny things in the workplace. The jargon of it, memos, ironic rules. And there is always the news. Humor that unites people rather than puts down people or groups is always safe.
Microsoft thinks having a good sense of humor is an important “competency” for any employee to have, and has a page to help “improve proficiency” and avoid overdoing it. It also grades a person’s funniness on a four-level scale.
Dilbert is listed under Recommended Readings.