How do I preview a file in Files?
You can preview a file in a course, group, or personal user file storage areas.
Open Files

In Course, Account, or Group Navigation, click the Files link.
Preview File
The preview displays the file contents [1]. You can scroll through the document, zoom in and out, and view the document in full screen [2].
To view file information details, click the Information icon [3].
To download the file, click the Download icon [4].
You can also view other files by clicking the Previous or Next buttons [5].
To close the preview, click the Close button [6] or the Close icon [7].