Mastering Outlook: Easily Show or Hide the BCC Field for Enhanced Email Privacy

In today’s digital communication landscape, email remains a cornerstone of professional and personal interactions. Microsoft Outlook, a widely used email client, offers various features to manage email effectively. Among these features, the BCC (Blind Carbon Copy) field stands out as a crucial tool for maintaining privacy and discretion in email communication. Understanding how to utilize the BCC field, specifically how to show or hide it, is essential for optimizing your email practices. This article will provide a comprehensive guide on managing the BCC field in both the Outlook desktop application and Outlook.com.

Understanding BCC and its Significance

Before delving into the steps to show or hide the BCC field, it’s crucial to understand what BCC is and why it matters. BCC, which stands for Blind Carbon Copy, is a feature in email systems that allows you to send a copy of an email to recipients without revealing their email addresses to other recipients. This is different from the To and CC (Carbon Copy) fields, where all recipients can see each other’s email addresses. The BCC field is particularly useful when you need to send an email to a large group of people and want to protect their privacy or avoid lengthy recipient lists in the email header.

BCC vs. CC: Key Differences

To fully grasp the importance of BCC, it’s helpful to differentiate it from the CC field and the primary To field:

  • To Field: This field is for the primary recipients of your email, the individuals or groups you are directly addressing. Their email addresses are visible to all recipients in the To, CC, and even BCC fields.
  • CC Field: Carbon Copy is used to send a copy of the email to individuals who need to be kept informed but are not the primary recipients. Like the To field, email addresses in the CC field are visible to all recipients.
  • BCC Field: Blind Carbon Copy is used to send a copy of the email discreetly. Email addresses placed in the BCC field are hidden from all other recipients, including those in the To and CC fields, as well as other BCC recipients. This ensures privacy and prevents the sharing of email lists without consent.

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How to Show or Hide the BCC Field in Outlook

The process of showing or hiding the BCC field varies slightly between the Outlook desktop application and Outlook.com. Let’s explore the steps for each platform to ensure you can effectively manage this feature regardless of your preferred Outlook interface.

1. Managing BCC Field in Outlook Desktop App

The following steps are primarily for the latest versions of the Outlook desktop application, such as Outlook 2021 and Microsoft 365 versions. While the general principles remain consistent across older versions like Outlook 2019 and 2016, minor interface differences may exist.

Showing the BCC Field in Outlook Desktop App

By default, the BCC field is often hidden in the Outlook desktop app to maintain a cleaner email composition window. To reveal the BCC field when composing a new email, follow these steps:

  1. Launch Microsoft Outlook Desktop App: Begin by opening the Outlook application on your computer.
  2. Start a New Email: Click on the “New Email” button, usually located in the top left corner of the Outlook window, to initiate a new email message. This action will open a fresh email composition window.
  3. Navigate to the Options Tab: In the newly opened email composition window, locate the “Options” tab in the ribbon at the top of the window. Click on this tab to access email settings and features.
  4. Reveal the BCC Field: Within the “Options” tab, look for the “Show BCC” command, which might be represented as “BCC” or through an icon, possibly within a “Fields” or “Show Fields” group. In some versions, it may be under three horizontal dots (More Commands). Click on the “BCC” option.
  5. BCC Field Displayed: Clicking “BCC” will instantly display the BCC field beneath the “CC” field in your email composition window. You can now add recipients to the BCC field as needed.

Hiding the BCC Field in Outlook Desktop App

Once the BCC field is visible, you may want to hide it again if you no longer need it for a particular email or prefer a cleaner interface. Hiding the BCC field is just as straightforward:

  1. Ensure the BCC Field is Visible: If the BCC field is already displayed, proceed to the next step. If not, follow the steps above to show it first.
  2. Deselect the BCC Option: Return to the “Options” tab in the email composition window.
  3. Hide the BCC Field: Click on the “BCC” option again. This action toggles the visibility of the BCC field. Clicking it when it’s already shown will hide it from the email composition window.

Permanently Enabling the BCC Field in Outlook Desktop App

While the above steps allow you to show or hide the BCC field for individual emails, you might prefer to have the BCC field always visible for every new email you compose. To permanently enable the BCC field in the Outlook desktop app, you can utilize a simple workaround:

  1. Compose a New Email: Start by creating a new email message as you normally would.
  2. Show the BCC Field: Follow the steps outlined earlier to make the BCC field visible in the current email composition window.
  3. Close the Email Window Without Saving: After the BCC field is displayed, close the email composition window. Crucially, do not save the email when prompted. Simply discard the draft.
  4. BCC Field Persistently Enabled: By closing the window without saving after showing the BCC field, Outlook remembers this setting. Now, whenever you compose a new email or reply to an existing one, the BCC field will automatically be visible.

This method essentially sets the BCC field visibility as a default preference for your Outlook desktop application. If you wish to revert to hiding the BCC field by default, you would need to repeat a similar process, ensuring the BCC field is hidden before closing a new email window without saving.

2. Managing BCC Field in Outlook.com

Outlook.com, the web-based version of Outlook, offers a slightly different approach to managing the BCC field. The steps are generally more streamlined, reflecting the web interface’s design.

Showing the BCC Field in Outlook.com

In Outlook.com, the BCC field is initially hidden when you start composing a new email. To display it, follow these steps:

  1. Access Outlook.com: Open your web browser and navigate to the Outlook.com website. Log in to your Outlook account if you are not already logged in.
  2. Start a New Message: Click on the “+ New message” button, typically located in the top left corner, to begin composing a new email.
  3. Show BCC: In the new email composition window, look for the “Cc BCC” link, usually positioned to the right of the “To” field. Click on “Cc BCC”.
  4. BCC Field Displayed: Clicking “Cc BCC” will expand the header fields to reveal both the “Cc” and “Bcc” fields beneath the “To” field. You can now add recipients to the BCC field as needed.

Hiding the BCC Field in Outlook.com

Unlike the desktop app, Outlook.com does not offer a direct toggle to hide the BCC field once it has been displayed for a particular email. Once you reveal the BCC field in Outlook.com for an email, it remains visible for that specific email composition session. If you wish to “hide” it, your options are:

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  • Leave it Blank: If you no longer need to use the BCC field for the current email, simply leave it empty. It will still be visible in the header, but you don’t have to add any recipients to it.
  • Discard and Start New: If the persistent visibility of the BCC field is undesirable for aesthetic reasons, you can discard the current email draft and start a completely new email message. The BCC field will be hidden again in a fresh email composition window until you explicitly show it.

Permanently Enabling the BCC Field in Outlook.com

If you prefer to have the BCC field always visible in Outlook.com for all new emails, you can configure this setting in the Outlook.com settings menu:

  1. Access Outlook Settings: Click on the “Settings” icon (gear icon), usually located in the top right corner of the Outlook.com interface. Then, click on “View all Outlook settings” at the bottom of the settings pane.
  2. Navigate to Compose and Reply Settings: In the “Settings” window that opens, select “Mail” from the left-hand menu, and then choose “Compose and reply”.
  3. Enable “Always show BCC”: Under the “Message format” section on the right side of the “Compose and reply” settings, locate the option “Always show Bcc”. Place a checkmark in the checkbox next to this option to enable it.
  4. Save Settings: Click the “Save” button, typically found at the bottom of the “Settings” window, to apply your changes. Close the “Settings” window.

After enabling this setting, the BCC field will be permanently displayed whenever you compose a new email message in Outlook.com. To revert to hiding the BCC field by default, simply uncheck the “Always show Bcc” option in the same settings menu and save the changes.

Understanding BCC Recipient Visibility and Reply Behavior

Beyond managing the visibility of the BCC field itself, it’s important to understand how BCC functions in terms of recipient visibility and how replies are handled when BCC is used.

Can BCC Recipients See Each Other?

A key feature of BCC is its privacy aspect. No, BCC recipients cannot see each other’s email addresses. When you use the BCC field, the email addresses added there are kept completely hidden from all other recipients of the email, including those in the To, CC, and even other BCC fields. Recipients in the To and CC fields will only see the email addresses in the To and CC fields. BCC recipients will only see the email addresses in the To and CC fields, but not the list of BCC recipients. This ensures that email addresses in the BCC are kept private and confidential.

Is BCC a Good Idea?

Using BCC can be a very good idea in several scenarios. It is particularly useful when:

  • Sending to Large Groups: When emailing a large number of people, especially if they don’t know each other, using BCC protects their privacy by preventing their email addresses from being shared with everyone on the list. This is crucial for respecting privacy and avoiding potential misuse of email lists.
  • Maintaining Privacy: If you want to send an email to someone discreetly without others knowing, using BCC can achieve this. For example, you might BCC your manager on an email to a colleague without the colleague being aware.
  • Preventing “Reply All” Storms: In large email threads, especially with numerous recipients in the To and CC fields, “reply all” responses can quickly become overwhelming and unproductive. By BCC’ing a large group instead of using To or CC, you can reduce the likelihood of unnecessary “reply all” responses to the entire group.

However, it’s also important to use BCC judiciously. Overuse or misuse of BCC can sometimes be perceived negatively, especially if it feels deceptive or if transparency is expected. Consider the context and your relationship with the recipients when deciding whether to use BCC.

What Happens When Someone Replies to a BCC Email in Outlook?

The behavior of replies to BCC emails in Outlook depends on whether the recipient uses the “Reply” or “Reply All” option:

  • Reply: If a recipient who received an email via BCC uses the “Reply” option, the reply will only be sent back to the original sender of the email. Other recipients, including those in the To, CC, and other BCC fields, will not receive the reply. This maintains the privacy and intended one-to-one communication.
  • Reply All: If a recipient who received an email via BCC uses the “Reply All” option, the behavior is slightly different. In most email clients, including Outlook, “Reply All” on a BCC email will generally only send the reply to the original sender and all recipients in the To and CC fields. BCC recipients are typically not included in “Reply All” responses. This is another aspect of BCC that helps maintain privacy and prevents unintended disclosure of BCC recipients in reply threads.

It’s important to note that while “Reply All” generally excludes BCC recipients, the exact behavior can sometimes vary slightly depending on the email client and server configurations. However, the standard behavior is to prevent BCC recipients from being included in “Reply All” responses, further enhancing the privacy and discretion provided by the BCC feature.


Mastering the BCC field in Outlook is a valuable skill for anyone who communicates via email regularly. Understanding how to show, hide, and permanently enable the BCC field, along with grasping its implications for recipient visibility and reply behavior, empowers you to use email more effectively and responsibly. By utilizing BCC appropriately, you can enhance email privacy, manage communication with large groups efficiently, and maintain professional discretion in your digital interactions.

Feel free to share your experiences or questions about using the BCC field in Outlook in the comments below!

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