When you overwrite a file within a Thru folder, Thru records a timeline of all previous versions of the file within the “Versions” tab.
The timeline records who created a version, what time it was made, the size of the file, and the file’s owner.
To have versioning enabled on your Thru site please contact your Thru account manager
The following sections will show you how to create, view and manage document versions in Thru:
Note : If you would like versioning enabled on your Thru site please contact Thru Support