Handbook is a mobile application that provides a secure way to manage and present documents of various media types. It offers a simple and confident way for enterprise, small business, and consumer mobile users to share and present information both online and offline. Handbook is composed of two parts: Handbook Studio, a browser-based application used to upload and manage content, and Handbook Viewer, a mobile app used to display and present content.

The app is optimized for Android, iPhone, iPad, and all iOS platforms. Handbook supports various file types, including MS Office, iWork, images, HTML5 content, videos, and audio files. It also allows users to annotate PDF files and supports animated and dynamic HTML5 content. Additionally, Handbook enables users to create surveys and quizzes with a built-in questionnaire function. The app also offers content control, allowing users to create a time frame for viewing any kind of Handbook content.