The preview sidebar shows progress, metadata, access, and quick actions without leaving the file list.
Go to Files and click a file card to open the preview.
Review the progress ring (Overdue/Due Today/Upcoming/Completed).
Check Source, Status, Owner/Created by, Created on, Modified, Modified by, Size (MS) or equivalent (Google).
Use Has Access > Manage access to adjust permissions (based on your role).
Click Open to enter File details.
Notes
Published files in the Burai tab show limited preview (no thumbnails).