When default Do Not Disturb (DND) hours are set for a workspace or Enterprise Grid organization, Slack will not send any desktop or mobile notifications to members during those hours. Setting default DND hours will affect all members of a workspace or org unless they set up their own DND schedule.
Add default Do Not Disturb hours
Free, Pro, and Business+ plans
Enterprise Grid plan
Here's how Workspace Owners and Admins can set default DND hours:
Click your workspace name in the sidebar.
Hover over Tools & settings, then click Workspace settings.
Scroll down to Do Not Disturb and click Expand.
Select the default hours when members will not receive notifications.
Click Save.
Org level
Org Owners and Org Admins can add an org policy to set default DND hours for all workspaces in an org:
Click your organization name in the sidebar.
Hover over Tools & settings, then click Organization settings.
Click Settings in the left column. Then, click Organization Policies.
Next to When to pause notifications, click Add Policy.
Check the box next to Disable notifications during specific hours and select the default hours when members will not receive notifications.
Click Save Policy.
Workspace level
Here's how Workspace Owners and Workspace Admins can set default DND hours:
Click your organization name in the sidebar.
Hover over Tools & settings, then click Workspace settings.
Scroll down to Do Not Disturb and click Expand.
Select the default hours when members will not receive notifications.
Click Save.
Note: When you set default Do Not Disturb hours, members will still be able to change their own hours, set a DND schedule, or turn DND off.
