zulip/help/require-topics.md

# Require topics in stream messages

If a user sends a message without a topic, the message's topic is displayed as
**(no topic)**. Administrators can configure whether stream messages must have a
specified topic.

## Require topics in stream messages

{!admin-only.md!}

{start_tabs}

{settings_tab|organization-settings}

1. Under **Other settings**, toggle
   **Require topics in streams messages**.

{!save-changes.md!}

{end_tabs}

## Related articles

* [Streams and topics](/help/streams-and-topics)