> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cassidyai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Add label to Outlook message

> Add an Outlook category label to a message from a Workflow.

Use the **Add Label to Microsoft Outlook Message** action to apply a category label to an Outlook message from within a [Workflow](https://docs.cassidyai.com/workflows/overview.md). This helps you automatically organize and categorize incoming emails.

## Set up the action

**1. Add the action**

While editing a Workflow, click the **+** button between existing blocks. Select **Add Label to Microsoft Outlook Message** from the action list.

![Selecting the Add Label to Microsoft Outlook Message action](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-0.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=27c26bf3d61a279da5a9ff22247956f5)

**2. Rename the action (optional)**

Click the action name to give it a more descriptive label for easier reference.

![Renaming the Add Label to Microsoft Outlook Message action](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-1.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=ceff19605397c08efd6c35f532e48c03)

**3. Connect your Outlook account**

If you haven't already, connect your Microsoft Outlook account to Cassidy.

![Adding a Microsoft Outlook connection for the action](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-2.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=7c29a5db02e1c95c331c390534492ad0)

**4. Toggle on add label to trigger email (optional)**

If you're using this action with the **New Email Received in Microsoft Outlook** trigger, enable **Add Label to Trigger Email** to automatically apply labels to the email that started the Workflow.

![Add Label to Trigger Email toggle](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-3.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=167b101a2dc418dfd46efc39b178a548)

**5. Enter the email (optional)**

Enter an email ID manually, use a variable from previous steps (such as the message ID from a trigger), or click the list icon to search and select an email from the trigger.

> [!TIP]
>
> If **Add Label to Trigger Email** is enabled, this field can be left empty.

![Email field with variable reference](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-4.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=45e3ce7b476b0a3704366a56bd2837d9)

![Searching for an email to label](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-5.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=b4db55527711c8b9c1e8cf4a1d14f4b6)

**6. Enter labels to add**

Search for and select existing Microsoft Outlook labels, or click the pencil icon to manually enter label names. You can add multiple labels to organize your emails effectively.

![Searching for Outlook labels to add](https://mintcdn.com/cassidy/Z6P2Z1FAlUR83Sw5/images/reference/add-label-to-microsoft-outlook-message-img-6.png?fit=max\&auto=format\&n=Z6P2Z1FAlUR83Sw5\&q=85\&s=30b5fa8438120b243f66a8974e9c050b)

## Related

> **[New email trigger](https://docs.cassidyai.com/integrations/microsoft-365/outlook-email/new-email-trigger.md)**
>
> Trigger a Workflow when a new email is received.

> **[Send email with Outlook](https://docs.cassidyai.com/integrations/microsoft-365/outlook-email/send-email.md)**
>
> Send an email from a Workflow.

> **[Reply to email with Outlook](https://docs.cassidyai.com/integrations/microsoft-365/outlook-email/reply-to-email.md)**
>
> Reply to an existing email thread from a Workflow.

> **[Outlook for Workflows](https://docs.cassidyai.com/integrations/microsoft-365/outlook-email/workflows)**
>
> See all Outlook Workflow triggers and actions.


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