P7M Viewer is a free iPhone application developed by Filippo Maguolo. It falls under the category of Business & Productivity and provides a convenient solution for opening and viewing P7M files.

With P7M Viewer, users can easily open P7M files that are digitally signed and view their content file and certificate's signers. The app allows for importing P7M files from various sources such as cloud apps, Files, Mail, or Safari. This makes it effortless to access and view important files on the go.

The program also offers the ability to export or print the content file, providing users with the flexibility to work with the files in their preferred format. Additionally, P7M Viewer supports the opening of PDF PAdES signatures and provides detailed information about PDF files.

P7M Viewer is a user-friendly and reliable tool for anyone who frequently deals with P7M files and needs a convenient way to view their content and signers. It is a valuable addition to the productivity apps available for iPhone users.