Managing the activity of messages in Slack: How to Do It
How to Enable or disable the Slack message activity?
For Business+
The owners of workspaces and the administrators of workspaces have the ability to allow or stop message activity for their workspace:
1Simply click the name of your workspace in the sidebar while you are on your desktop.
For Enterprise Grid:
How to Manage permissions for the Slack Message Activity
Business+
For Enterprise Grid:
Tip: You also have the option of assigning the Message activity manager system role to members in order to make it possible for them to view message activity.