You are preparing to release a new app that posts updates from a legacy piece...

Installing an organization-ready Slack application at the Enterprise organization level does not automatically add the application to every workspace in that organization. Slack explicitly separates organization-level installation from workspace access. After installation at the organization level, an Org Admin must grant the application access to one or more individual workspaces—or all workspaces—before members in those workspaces can actually use it. This architecture allows centralized authorization and token management while retaining administrative control over where the application is available. Option B is therefore incorrect because organization-level installation alone does not make the application immediately operational in every workspace. Option C incorrectly describes the requirement as installation “to a channel.” Applications are granted to workspaces; channel membership may subsequently matter for specific APIs or event subscriptions, but that is a separate issue. Application collaborators manage application configuration and development access and are not required merely to activate an organization-installed application. Slack identifies simplified token storage and centralized policy as major advantages of organization-ready installation while retaining workspace-level access control. This aligns directly with Design for Scale, especially Enterprise organization deployment and organization-ready applications.