This article describes how to open the previous version of a file in Projects.
Launch ArtiosCAD Enterprise.
Go to File and click Browser....
Right click the project to open its contextual manu and click Select Revision....
Enable the Show All Versions option. By enabling this option you should be able to see all the older versions of a file.
Select the file and click OK.
You will get the following message: "A newer version of this document exists. Would you like to open the latest version?". Click No. If you click Yes, the newer version will open instead of an older version of that file.