.VPOL File Extension
File TypeWindows Vault Policy File
What is a VPOL file?
File created by Windows Vault (also referred to as Credential Manager), a program available with Windows 7 that enables Windows users to safely store personal information such as user names and passwords; stores a set of encryption keys that are used to protect user information.
NOTE: You can access your Windows Vault in the Credential Manager interface by opening the Control Panel, choosing User Accounts and Family Safety, and selecting Credential Manager.
Policy.vpol - The name of the VPOL file for the Windows Vault.