How To Lock Channel In Slack

Slack stands out as a widely-used messaging application designed to facilitate team communication and collaboration. A notable feature within Slack is the capability to secure channels by locking them, serving as a valuable tool to deter the posting of spam or any unwelcome messages.

Why Lock a Channel in Slack?

Locking a channel in Slack can be helpful in situations where you want to limit access to certain information or conversations. For example, if you have a private channel for sensitive information that only a few team members need to see, locking the channel can prevent others from accidentally accessing it.

How to Lock a Channel in Slack

  1. Open Slack and click on the three horizontal lines in the top left corner of the screen. Select “Workspace Settings” from the drop-down menu.
  2. Click on “Channels” in the left sidebar, then select the channel you want to lock.
  3. In the channel settings, look for the option to “Lock this conversation.” Click on it and confirm that you want to lock the channel.


Locking a channel in Slack is a simple process that can help keep your team’s conversations secure and organized. By following these steps, you can easily lock any channel in your workspace to prevent unwanted messages or access.