Email Cc & Bcc Etiquette
Like Duolingo, but for Email Cc & Bcc Etiquette. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free forever · No credit card · iPhone & Android

Key ideas in Email Cc & Bcc Etiquette
- The 'To' field is for the person expected to reply or perform a task
- Cc-ing a leader provides them 'passive' visibility into a project
- The 'Cc' field is for people who only need the context for their own awareness
- A manager in Cc acts as a silent endorsement of the email's importance
- Putting an action-taker in Cc often leads to the task being ignored
- Cc-ing a manager does not shift the responsibility of replying to them
- Distinguishing between the primary recipient and a Cc recipient based on action requirements
- Understanding the signal sent by Cc-ing a manager
- The 'No Surprises' rule means Cc-ing anyone whose schedule or workload changes based on the email
- Cc-ing stakeholders prevents them from finding out about changes second-hand
- Impacted parties need the Cc to adjust their own planning immediately
- Cc creates a shared archive across multiple people's inboxes
- A 'paper trail' in Cc provides proof of what was communicated and who was aware of it
- Cc-ing teammates ensures the history isn't lost if one person leaves the company
- Identifying who needs to be Cc-ed based on potential impact
- Recognizing the value of Cc as a historical record
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Email Cc & Bcc Etiquette the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
You need a client to sign a contract. Where should their email address go?
Get it right to open this lesson and 11 more in the app.
Where Email Cc & Bcc Etiquette takes you
Master the social contract of the inbox. Learn when to keep people in the loop, how to protect privacy with Bcc, and how to stop 'Reply All' chaos before it starts.
- 1
The Art of Visibility
- When to Cc: The 'FYI' Rule
- Bcc: Privacy and Protection
- 2
Managing the Thread
- Navigating the Reply All Trap
- The Professional Hand-off
2 sections · 4 units · 12 levels. Built to play, not to enroll.
You pick the voice
Email Cc & Bcc Etiquette is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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