Access Explorer Tab (Admin)
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The Access Explorer tab in Admin Settings configures how the Access Explorer feature performs group membership expansion. These settings are separate from the Access Explorer dashboard tab, they are a performance and safety configuration for the underlying expansion engine.

Enable User Expansion
A toggle that globally enables or disables group-to-user expansion across the entire app. When disabled, the “View Individual Users” and “Explain Access for User” features in the dashboard Access Explorer will not function.
Default: Enabled.
When to disable: If your Confluence instance has extremely large groups and expansion calls are causing timeouts or excessive API usage, disable this temporarily while you investigate.