Feature		Advantage
Document design and review process		Efficiently manage documents with a streamlined design and review process that prevents duplication or rework from miscommunication.
File Check-in/Check-out		Leverage historical audit trails that track who changed what and when.
Version Control		Easily keep track of all versions of your documents.
File upload wizard		Upload and organize your project files in an intuitive folder structure.
Document viewer		Use Prolog Viewer to redline, mark-up and comment on an uploaded file.
Document security		Define user-level security permissions on all files and folders.
File management		Easily manage project files in streamlined folder structure, like Windows Explorer.
Drawings and specifications		Exert greater quality control through electronic control of drawings.
Permissions model with inheritance		Save time managing document security at the folder and file levels.