Assembly metadata is stored in Manifest. Manifest contains all the metadata needed to do the following things – Version of assembly. – Security identity. – Scope of the assembly. – Resolve references to resources and classes. The assembly manifest can be stored in a PE file either (an .exe or) .dll with Microsoft intermediate language (MSIL code with Microsoft intermediate language (MSIL) code or in a stand- alone PE file, that contains only assembly manifest information.