--- title: Understanding and Using Tags in Participant Profiles description: Tags are keywords or flags that can be added to a participant’s profile to help classify characteristics or quickly communicate relevant information. They offer a flexible and informal alternative to --- [Skip to content](https://support.enrollnow.io/en/knowledge-base/adding-removing-and-searching-for-tags#main-content) [EnrollNow Support Center](https://support.enrollnow.io/helpdesk?hsLang=en) ![Logo + Tagline](https://support.enrollnow.io/hs-fs/hubfs/EnrollNow/Brand%20Assets/Logo%20+%20Tagline.png?width=300&height=75&name=Logo%20+%20Tagline.png) - [Support Center](https://support.enrollnow.io/helpdesk) - [User Community](https://academy.enrollnow.io/) - [Learning Academy](https://academy.enrollnow.io/) - [Knowledge Base](https://support.enrollnow.io/en/knowledge-base) Open main navigation Close main navigation - [Support Center](https://support.enrollnow.io/helpdesk) - [User Community](https://academy.enrollnow.io/) - [Learning Academy](https://academy.enrollnow.io/) - [Knowledge Base](https://support.enrollnow.io/en/knowledge-base) - [EnrollNow Support Center](https://support.enrollnow.io/helpdesk) How can we help you? - There are no suggestions because the search field is empty. 1. [EnrollNow Knowledge Base](https://support.enrollnow.io/en/knowledge-base?hsLang=en) 2. [Participants](https://support.enrollnow.io/en/knowledge-base/participants?hsLang=en) June 18, 2026 # Understanding and Using Tags in Participant Profiles Tags are user-defined keywords or labels that can be added directly to a participant’s profile to help classify participants, flag important details, or quickly communicate relevant information to your team. Tags provide a flexible way to organize participant information without creating a Custom Variable and can be helpful for informal tracking, quick visual indicators, or grouping participants with shared characteristics. **NOTE:** Tags are always global, meaning they appear in the Registry and can be viewed or modified across any study where the participant is associated. ### ![Participant Profile Card Top](https://support.enrollnow.io/hs-fs/hubfs/Participant%20Profile%20Card%20Top.png?width=546&height=377&name=Participant%20Profile%20Card%20Top.png) ### Tagging a Participant Users with access to a participant’s profile can add, update, or remove tags in both the Study and the Registry. Multiple tags can be added in **Tags** box toward the top of the participant’s profile card. ### How to Add a Tag to a Participant’s Profile 1. Navigate to the participant’s profile. 2. Locate the **Tags** box at the top of the participant profile card. 3. Click inside the **Select Tags** box and begin typing the desired tag. 4. Select an existing tag from the drop-down list, or select the option to create a new tag after you type in the name. 5. Save to apply the tag to the participant’s profile.  **Tip for Efficient Tagging!** - You can **create new tags** or **select existing tags** by typing the full tag and pressing **Enter** on your keyboard. - To quickly add **multiple tags**, press **Enter** between each separate tag. - This allows for a faster and more efficient tagging process when classifying participants. ### **Removing and Reporting on Tags** **Removing a Tag from a Participant’s Profile** - When viewing a participant’s profile, each tag will have an **"X"** next to it. - Click the **"X"** to remove the tag. **NOTE:** Tags are not centrally managed in the system. A tag exists only when assigned to at least one participant. If a tag is removed from all participants, it no longer exists in the system. **Reporting on Tags** - Tags are included as data points on the **Study Dashboard**. - To view tag counts, click **"Show Table"** at the bottom of the dashboard. Scroll to bottom of the CSV for data. ### **Filtering by Tags in a Study or Registry** To identify participants with the same tags in a study, you can filter using tags. **Steps to Filter by Tags at Study Level:** 1. Navigate to the **Potential Participants** or **Enrolled Participants** page. 2. Select the **"Filter"** in the upper right. 3. Choose **Tags** from the drop-down list. 4. Type in the desired **tag name** to apply the filter. 5. The page will display all participants in the study who have the selected tag on their profile. **Steps to Filter by Tags at Registry Level:** **![](https://support.enrollnow.io/hs-fs/hubfs/image-png-Jun-11-2026-03-20-40-6402-PM.png?width=239&height=366&name=image-png-Jun-11-2026-03-20-40-6402-PM.png)** - **Navigate to the [Registry](https://21554971.hs-sites.com/en/knowledge-base/registry-search-and-filtering-overview-1?hsLang=en).** - Click **"Add Filter."** - In the **Filter** box: - Set the **variable dropdown** to **"Tags."** - **"Equal to" →** Displays participants with the selected tag. - - - **"Not equal to"** → Displays participants **without** the selected tag.Choose a condition: - Select the **tags** you want to include in the filter. - Click **Search** to apply the filter to view the filtered list of participants. 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