: Office software can also be purchased from the Microsoft Store or authorized resellers. This ensures that you're getting legitimate software and support.
The seemingly benign “Index of parent directory” for MS Office 2016–2021 is a critical misconfiguration with cascading risks: software piracy, vulnerability exploitation, information leakage, and forensic exposure. Organizations must disable directory indexing, implement access controls, and regularly audit their software distribution points. As cloud and SaaS versions (Microsoft 365) become dominant, legacy on-prem Office repositories should be either secured or decommissioned to prevent lingering exposure.