The History Tab lets you see every interaction that has been taken with the File you're viewing, including its original upload and every time a User has viewed it.
Filtering
Click the dropdown to filter by different categories of actions:
Comment - View who Commented on selected Files, and when.
Download - View who Downloaded selected Files, and when.
Upload - View who Uploaded selected Files, and when.
Viewed - View who Viewed selected Files, and when.
Edited - View who Edited selected Files, including adding them to Packages, and when.
Categorized - View who Categorized selected Files, and when.
Updated - View who Updated selected Files, and when.
Deleted - View who Deleted selected Files, and when.
Created - View who Created selected Files, and when.