When using Slack I frequently run to the situation when something important comes up in the thread and I need to notify everyone on the channel about that. But this dialog appears – Disabled in threads:

slack message - disabled in threads

So. Now I use two features – I write the message to thread with selecting the checkbox Also send to [#channel] and I notify everyone in the channel by writing directly to the channel something like @channel :uparrow:.

But it seems like an unnecessary complication to me. Maybe it is just disabled somewhere in settings, but I didn't find it there. So the questions are:

Why is @channel disable in Slack thread?
Can I enable it somehow as a workspace owner?

3 Answers 3


No, you can’t tag the channel in a thread. If you think it’s an important feature, you should provide feedback to Slack directly.

Slack - Threads:

Using an @here or @channel mention in a thread won’t notify members in the conversation.

Your current method seems like a good option. You could also create a new post that nicely summarizes the context/action required etc with a link to a message from the thread (more as a reference).

  • ok thanks, do you have any clue why it is disabled? I don't see any good reason for that…
    – TGar
    Jul 27, 2020 at 8:42
  • I think it's more straightforward to keep @channel out of a thread. That creates a new place to discuss the message, instead of getting lost in the original discussion. I'm also against using @here/@channel unless it's urgent - but I know not everyone feels that way.
    – JBallin
    Aug 28, 2020 at 0:18
  • 1
    @TGar I also noticed that when I mute a channel and get an @channel notification, I have to manually find the message. This would be harder if I had to dig into threads.
    – JBallin
    Nov 2, 2020 at 17:03

I found that when a comment with an @channel mention is edited, if we redo the @channel mention, it will send out a notification.

Here I am editing an existing reply inside a thread.


Yes, there is a way!

At least in Windows client there is setting on a channel:

Context menu -> Change notifications -> Get notified about all replies and show them in your Threads view

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