Short description of M-Files Express 5.0: M-FilesŪ Express is free document management software that enables you to manage your business. Seamless integration with Windows Explorer makes M-Files easy to learn and use. You can open and save documents directly from all applications. M-Files lets you add metadata to your files and browse the files according to classes, projects, etc. Full-text search finds your documents in an instant. Previous versions of files are automatically preserved.