How to Add BCC in Outlook: Every Version, Step by Step

• 23 June 2026
• by: Amara Diallo
• in: Email services
• Tags: BCC, email privacy, email tips, outlook
• note: no comments

If you have ever sent a group email and accidentally exposed everyone’s address to the whole list, you already know why the BCC field matters. In Outlook, the BCC field is sometimes hidden by default, which leaves many people unsure how to turn it on. This guide walks through how to add BCC in Outlook across every version and platform, explains what BCC actually does, and covers when to use it so your messages stay professional and private.

Key Takeaways
• BCC (blind carbon copy) hides recipients from each other; people in the BCC field cannot see who else received the message.
• In classic Outlook desktop, enable the field via Options tab > Bcc; it then stays visible for future messages.
• In new Outlook for Windows and Outlook on the web, click the Bcc button near the To field to reveal it.
• On Outlook mobile, the BCC field appears when you tap or expand the recipient area.
• Use BCC for group emails to protect privacy, but rely on a dedicated mailing tool for large bulk sends.

What does BCC mean in Outlook?

BCC stands for blind carbon copy. When you place an address in the BCC field, that person receives the email like any other recipient, but their address is hidden from everyone else on the message. Just as importantly, recipients in BCC cannot see each other.

This is the key difference from the other two recipient fields:

• To — the primary, intended recipients of the message. Everyone can see these addresses.
• CC (carbon copy) — secondary recipients kept in the loop. Everyone can see these addresses too.
• BCC (blind carbon copy) — hidden recipients. No one else on the email can see that they were included.

Because BCC addresses are concealed, the field is the simplest tool Outlook gives you for protecting privacy when emailing more than one person who does not know each other.

How do you add BCC in classic Outlook desktop?

The classic Outlook desktop app (the long-standing version many businesses still use) hides the BCC field by default. Turning it on takes one click, and it stays on afterward.

1. Open a new email or reply to an existing message.
2. Go to the Options tab in the ribbon at the top of the message window.
3. In the Show Fields group, click Bcc.
4. The BCC field now appears beneath the CC field. Type your hidden recipients there.

The helpful part is that once you enable Bcc this way, classic Outlook remembers the setting and keeps the field visible for every new message until you turn it off. You only have to do this once.

Where is the BCC button in new Outlook and Outlook on the web?

The new Outlook for Windows app and Outlook on the web (Outlook in a browser) share the same modern layout, so the steps are identical.

1. Click New mail to start a message, or open a reply.
2. Look at the row that contains the To field. On the right side of that row you will see small Cc and Bcc buttons.
3. Click Bcc.
4. A dedicated BCC field slides into view. Add the addresses you want to keep hidden.

Unlike classic Outlook, the new clients typically show the BCC field per message context, so check for the Bcc button each time if you do not see the field.

How do you add BCC in Outlook mobile?

On the Outlook app for iOS and Android, the BCC field is tucked away to keep the compose screen clean on smaller displays.

1. Tap the compose (pencil) icon to start a new email.
2. Tap the To field, or tap the small chevron/arrow at the end of the recipient row to expand it.
3. The Cc/Bcc fields appear. Tap into the Bcc field and add your hidden recipients.

The exact tap target varies slightly between iOS and Android and between app updates, but the pattern is the same: expand the recipient area, and BCC appears alongside CC.

Where to find BCC by Outlook version and platform

Outlook version / platform	Where the BCC field lives	Does it stay on?
Classic Outlook desktop (Windows)	Options tab > Bcc in Show Fields	Yes, stays visible
New Outlook for Windows	Bcc button near the To field	Per message
Outlook on the web (browser)	Bcc button near the To field	Per message
Outlook for Mac	Options ribbon or near the recipient fields	Varies by layout
Outlook mobile (iOS / Android)	Expand recipient row, then Bcc appears	Per message

When should you use BCC instead of CC or To?

BCC is the right choice in a few common situations:

• Mass or group emails to people who do not know each other — newsletters to clients, announcements to a community, or invitations to a list. BCC keeps every address private.
• Discreetly copying someone — for example, looping a manager or colleague into a conversation without the main recipient knowing they were included.
• Reducing reply-all noise — because people in BCC do not receive reply-all responses, BCC can keep follow-up replies contained to the visible recipients.

Use To for the people the message is genuinely addressed to, CC for those who should openly see they are copied, and BCC whenever exposing addresses would be a privacy problem or simply unnecessary.

The simplest privacy fix for group email is BCC. When you email a group of people who do not know one another, putting every address in the To or CC field publishes everyone’s email address to the entire list. Anyone on that message can now harvest, reply-all, or misuse those addresses. Moving those same recipients into BCC hides every address instantly, with zero extra tools. Forgetting this single step is one of the most common privacy blunders in professional email, and it is also one of the easiest to avoid. Before you send any message to a list of unrelated people, ask one question: should these addresses be visible to each other? If the answer is no, they belong in BCC.

What are the limits of using BCC?

BCC is useful, but it is not a substitute for proper email infrastructure, and it has a few important constraints:

• Reply-all does not reach BCC recipients. Hidden recipients are exactly that. If a conversation continues with reply-all, people in BCC are left out, which is sometimes the goal and sometimes a problem.
• Large BCC lists can trip spam filters. Sending a single message to a very long BCC list can look like bulk or spam activity to receiving mail servers, hurting deliverability. For large sends, this is a real risk.
• No tracking or personalization. BCC gives you no open rates, no unsubscribe handling, and no way to address each person by name. For genuine marketing or newsletters, that is a serious limitation.

The rule of thumb: BCC is for normal correspondence and modest group emails. For true bulk email, use a dedicated mailing platform built for that purpose.

Reliable business email that works with Outlook

For everyday professional email, where BCC handles your group messages and discreet copies just fine, you need an email service that is dependable and connects cleanly to the client you already use.

DarazHost provides professional business email hosting that works seamlessly with Outlook over standard IMAP and SMTP, so you can send and receive from your own domain right inside the Outlook app you know. That means a polished, branded address instead of a generic free account, with reliable delivery for your day-to-day correspondence. BCC, CC, and standard recipient handling all work exactly as described above.

For genuine bulk email, a dedicated mailing tool remains the right choice. But for normal business communication, group updates, and the occasional discreet copy, DarazHost email paired with Outlook handles BCC perfectly, backed by 24/7 support if you ever need help with setup or deliverability.

Quick best practices for BCC

• When in doubt about a group, default to BCC to protect addresses.
• Put your own address in To and the group in BCC if a message needs a visible sender line.
• Keep BCC lists modest in size; move to a mailing tool when the list grows large.
• Double-check the field before sending. Pasting addresses into CC instead of BCC is the classic mistake.

Frequently asked questions

Can recipients see who is in the BCC field? No. People in the BCC field are completely hidden from everyone else on the email, and they cannot see each other either. Only you, the sender, can see the full BCC list.

Why is the BCC field missing in my Outlook? Outlook often hides BCC by default to keep the compose window simple. In classic desktop Outlook, enable it under Options > Bcc. In new Outlook and the web app, click the Bcc button near the To field. On mobile, expand the recipient row to reveal it.

Do BCC recipients get reply-all messages? No. Because BCC addresses are hidden, anyone replying to all will not include the BCC recipients. This is one reason BCC is useful for discreetly copying someone without pulling them into the ongoing thread.

Is it better to use BCC or CC for a group email? For a group of people who do not know each other, use BCC to protect everyone’s privacy. Use CC only when it is appropriate for all recipients to see one another’s addresses, such as a small internal team that already shares contact details.

Can I send a newsletter using BCC in Outlook? You can for a small list, but it is not recommended for large sends. Long BCC lists can trigger spam filters and offer no tracking or unsubscribe handling. Use a dedicated email marketing tool for real newsletters.

Conclusion

Adding BCC in Outlook is quick once you know where the field lives: the Options tab in classic desktop, the Bcc button in new Outlook and the web app, and the expanded recipient row on mobile. More important than the clicks is the habit behind them. Whenever you email a group of people who do not know each other, BCC is the simple, no-cost way to keep every address private and your messages professional. Build that habit, and you will avoid one of the most common email privacy mistakes for good.