How To Mark All Channels As Read In Slack

Slack is a widely used communication platform that enables teams to interact and work together efficiently. A handy feature within Slack is the option to mark all channels as read. This can be particularly beneficial for those looking to clear their notifications or for anyone aiming to get a clean slate. In this piece, we’ll guide you through the steps to mark all channels as read on Slack.

Step 1: Open Slack

To begin with, open the Slack app on your device. You can either use the desktop version or the mobile app, depending on your preference.

Step 2: Click on the Three Dots Icon

Once you have opened Slack, click on the three dots icon located in the top right corner of the screen. This will open a drop-down menu.

Step 3: Select “Mark All Channels as Read”

From the drop-down menu, select “Mark All Channels as Read”. This will mark all channels in your Slack workspace as read, and you will no longer receive notifications for new messages.

Step 4: Confirm Your Action

After selecting “Mark All Channels as Read”, a confirmation dialog box will appear. Click on “Confirm” to complete the process.


In conclusion, marking all channels as read in Slack is a simple process that can be done in just a few steps. By following the steps outlined above, you can easily clear your notifications and start fresh on Slack.