Greenbox is a web-based document management solution that helps businesses store, manage, track, and update documents. It includes features such as recurring reminders, watermarking, commenting, role-based permissions, audit trail, labelling, and space usage tracking. The application allows employees to view version history and restore previous versions of files, save folders in secured cloud storage, share files or sub-sections with user groups, set expiration dates for shared links, and receive automated notifications when documents are modified. It also offers search capabilities through metadata and OCR, and integrates with Microsoft.