Unlisted dashboards will not be listed to any users other than the owner, but users with the dashboard link can access the dashboards directly with their permission.
This section explains how to unlist the dashboard from listing.
Click the Share Permissions
option in the Dashboards grid context menu.
Then, click the Change
option.
Select the checkbox Unlist dashboard from listing
to mark the private/public dashboard as unlisted.
After selecting the checkbox, click Change
to update the changes.
Uncheck the checkbox Unlist dashboard from listing
to remove the dashboard from the unlisted list (to list the dashboard in the dashboard listing). Then, click Change
to update the changes.
NOTE: Only the user who created the dashboard and the Administrator can unlist the dashboard.