Hide Other Boxes

HideOtherBoxes is a sandbox setting in Sandboxie Ini available since v0.3 / 5.42. By default, Sandboxie enables this feature, which allows processes to be hidden from other boxes. Example of disabling this setting:

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   [DefaultBox]
   HideOtherBoxes=n

Related Sandboxie Plus setting: Sandbox Options > Advanced Options > Hide Processes > Don't allow sandboxed processes to see processes running in other boxes