CC and BCC in Gmail: What They Mean and How to Use Them

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What Does CC Mean in Email?

CC stands for Carbon Copy — a term from the typewriter era when carbon paper created duplicate copies of documents.

When you CC someone on an email, two things happen: they receive a copy of the message, and their email address is visible to every other recipient on the thread (To and CC). CC signals transparency — you are openly looping someone in.

Common CC scenarios:

• Keeping your manager informed on a client thread
• Copying a teammate so they have context for a future handoff
• Creating a visible paper trail for project decisions
• Introducing two contacts (CC both so they can see each other’s addresses and continue directly)

CC etiquette rule: Only CC people who genuinely need the information. Over-CC’ing is one of the fastest ways to get your emails ignored.

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What Does BCC Mean in Email?

BCC stands for Blind Carbon Copy. Like CC, it sends a copy of the email to additional recipients. The critical difference: BCC recipients are completely hidden from everyone else — the To recipients, CC recipients, and even other BCC recipients cannot see them.

Common BCC scenarios:

• Sending a company-wide announcement without exposing hundreds of email addresses
• Emailing external contacts (vendors, clients, event attendees) where privacy matters
• Forwarding information to your personal email for record-keeping
• Sending newsletters or updates to a distribution list

BCC etiquette rule: Never BCC someone to secretly monitor a conversation. If discovered, it destroys trust and credibility. Use BCC for privacy protection, not for surveillance.

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CC vs BCC: What Is the Difference?

Feature	CC (Carbon Copy)	BCC (Blind Carbon Copy)
Visibility	All recipients can see CC’d addresses	No one can see BCC’d addresses
Reply All	CC’d recipients receive Reply All messages	BCC’d recipients do not receive Reply All messages
Best for	Transparency, keeping people in the loop	Privacy, large groups, discreet forwarding
Risk	Over-CC’ing leads to inbox clutter	Misuse for secret monitoring damages trust
Typical use	Internal team communication	External mass emails, announcements

The simplest way to decide: If everyone should know who else received the email, use CC. If recipient privacy matters or the list is large, use BCC.

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How to CC in Gmail (Desktop, Mobile, and Keyboard Shortcut)

Desktop (Gmail on Web)

1. Open Gmail and click Compose (top-left corner)
2. In the compose window, look for Cc on the right side of the “To” field
3. Click Cc — a new CC field appears below the To field
4. Type or paste email addresses, separated by commas
5. Write your message and click Send

Keyboard shortcut: While the compose window is open, press Ctrl+Shift+C (Windows/Linux) or Cmd+Shift+C (Mac) to toggle the CC field.

Mobile (iOS and Android)

1. Tap Compose (the pencil icon at bottom-right)
2. Tap the down arrow (˅) on the right side of the “To” field
3. The Cc and Bcc fields appear below
4. Tap the Cc field and enter email addresses
5. Write your message and tap Send

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How to BCC in Gmail (Desktop, Mobile, and Keyboard Shortcut)

Desktop (Gmail on Web)

1. Open Gmail and click Compose
2. Click Bcc on the right side of the “To” field (next to the Cc link)
3. A new BCC field appears — enter the email addresses you want to hide
4. Optionally add recipients in the To field (you can leave it blank or add your own address)
5. Write your message and click Send

Keyboard shortcut: Press Ctrl+Shift+B (Windows/Linux) or Cmd+Shift+B (Mac) to toggle the BCC field.

Pro tip: If you are sending to a large group via BCC, put your own email address in the “To” field. This keeps the message looking professional and avoids the “undisclosed recipients” label.

Mobile (iOS and Android)

1. Tap Compose (pencil icon)
2. Tap the down arrow (˅) next to the “To” field
3. Tap the Bcc field and enter email addresses
4. Write your message and tap Send

Troubleshooting: BCC Field Not Showing

If you cannot see the BCC option in Gmail:

• Make sure you are in the compose window (not reading an email)
• Look for the small Bcc text link on the right side of the “To” row
• On mobile, tap the ˅ arrow — the BCC field is hidden by default
• Clear your browser cache if the compose window looks broken
• Try disabling browser extensions that modify Gmail’s interface

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How to CC and BCC in Outlook

Outlook Desktop (Windows/Mac)

1. Click New Email to open a compose window
2. The Cc field is visible by default — enter addresses there
3. For BCC: Click the Options tab → click Bcc in the “Show Fields” group
4. The BCC field appears below the CC field — enter addresses
5. Write your message and click Send

Tip: To keep the BCC field visible permanently in Outlook, go to File → Options → Mail and check “Always show BCC.”

Outlook on the Web (outlook.com)

1. Click New Message
2. Click Cc or Bcc on the right side of the “To” field (same as Gmail)
3. Enter addresses and send

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How to CC and BCC in Apple Mail

1. Open Apple Mail and click New Message (or press Cmd+N)
2. The Cc field is visible by default
3. To show BCC: Click View in the menu bar → select Bcc Address Field (or press Cmd+Option+B)
4. Enter BCC addresses in the new field
5. Compose and send

Note: Unlike Outlook, Apple Mail hides the BCC field by default every time. There is no setting to keep it permanently visible.

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How to CC and BCC in Yahoo Mail

1. Click Compose to start a new email
2. Click Cc or Bcc next to the “To” field
3. Enter recipient addresses in the respective fields
4. Write your message and click Send

Yahoo Mail works identically to Gmail in this regard — the CC and BCC links appear next to the “To” field in the compose window.

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Gmail CC and BCC Limits You Should Know

Gmail enforces sending limits that affect CC and BCC usage:

Account Type	Recipients per Message	Recipients per 24 Hours
Free Gmail (@gmail.com)	500	500
Google Workspace	2,000	2,000

These limits apply to the total combined count of To, CC, and BCC recipients. If you exceed the daily limit, Gmail temporarily blocks outgoing messages for up to 24 hours.

For large lists (500+ recipients): Use a dedicated email marketing platform (Mailchimp, SendGrid, etc.) or Google Groups instead of BCC. Mass BCC emails are more likely to be flagged as spam by receiving servers.

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Can BCC Recipients See Each Other?

No. BCC recipients cannot see other BCC recipients, and they cannot see who else was BCC’d. Each BCC recipient only sees the To and CC fields.

However, BCC recipients do know they were BCC’d — their email client shows them they received the message, and they can see it was not addressed to them directly.

Important: If a BCC recipient hits Reply All, their reply goes only to the sender and the To/CC recipients. It does not go to other BCC recipients. But this reply will reveal to the To/CC recipients that the BCC’d person had the email — potentially exposing the BCC.

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Is It Rude or Illegal to BCC Someone?

BCC itself is not illegal or inherently rude. It is a standard email feature designed for privacy protection. However, context matters:

Acceptable uses:

• Protecting recipient privacy in group emails
• Mass announcements and newsletters
• Forwarding to your own email for records
• Compliance with GDPR and CAN-SPAM (which require protecting recipient data in bulk emails)

Problematic uses:

• BCC’ing someone to secretly monitor a conversation — this is deceptive and damages trust
• BCC’ing a competitor or third party on confidential business emails
• Using BCC to circumvent legal disclosure requirements

Legal note: In some regulated industries (legal, financial, healthcare), email communication records must include all recipients. Hiding recipients via BCC in these contexts could violate compliance requirements. Check your organization’s email policy.

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How to Automate BCC in Gmail

Gmail does not have a built-in auto-BCC feature. Here are the workarounds:

Browser extensions: Tools like Auto BCC for Gmail (available in the Chrome Web Store) can automatically add BCC recipients to every outgoing email or emails matching specific rules.

Google Apps Script: Advanced users can write a script to add BCC recipients programmatically. This requires coding knowledge and Google Workspace admin access.

Gmail filters + forwarding: Set up a filter to automatically forward copies of sent emails to a specific address. This isn’t true BCC, but achieves a similar outcome for record-keeping.

Important: Be cautious with third-party extensions — review their permissions and privacy policies before granting access to your Gmail account.

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7 CC and BCC Best Practices for Professional Emails

1. Don’t over-CC. Only include people who need the information. Unnecessary CC’s create inbox clutter and dilute important messages.

2. Use BCC for groups of 10+ external recipients. This protects everyone’s email privacy and prevents accidental Reply All chains.

3. Put yourself in the To field when mass BCC’ing. This prevents the “undisclosed recipients” label and looks more professional.

4. Never BCC for surveillance. If you need to keep a manager informed, CC them openly. Secret BCC’ing is a trust-breaker.

5. Use CC for accountability. When you need a documented record that specific people were informed, CC creates that transparent trail.

6. Watch Reply All with BCC. Warn BCC’d recipients not to Reply All — it will expose them to the original recipients.

7. Respect sending limits. For lists over 500 recipients, switch to a proper email marketing tool or mailing list instead of BCC.

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FAQ

What does CC stand for in email?
CC stands for Carbon Copy. It lets you send a copy of an email to additional recipients whose addresses are visible to everyone on the thread.

What does BCC stand for in email?
BCC stands for Blind Carbon Copy. It works like CC but hides the recipient’s email address from all other recipients.

Can CC recipients see BCC recipients?
No. CC recipients (and To recipients) cannot see anyone listed in the BCC field. Only the sender knows who was BCC’d.

Does Reply All include BCC recipients?
No. When someone hits Reply All, the reply goes to the sender and all To/CC recipients. BCC’d recipients are excluded from Reply All.

Is there a limit to how many people you can BCC in Gmail?
Yes. Free Gmail accounts allow up to 500 recipients per message and 500 per rolling 24-hour period. Google Workspace accounts allow up to 2,000.

Can you BCC yourself in Gmail?
Yes. Enter your own email address in the BCC field. This is a common way to keep a copy of sent emails in your inbox.

What happens if a BCC’d person replies?
If they hit Reply, only the original sender receives the reply. If they hit Reply All, their reply goes to the sender and all To/CC recipients — which reveals they had the email.