Click Home tabProject panelProject ManagerProject Compare.
In the Project Manager, right-click a project and click Project Compare.
At the Command prompt, enter
plantprojectcompare.
In the Project Compare dialog box, choose a reference project.
Click Choose a Project to Compare and select the
project.xml file you want to use as a reference project. Click Open to start the comparison.
Click the drop-down list and select Open Project. Select the
project.xml file you want to use as a reference project.
Click the drop-down list and select Open Collaboration Project. Log in and select the collaboration project you want to compare with the current project.
Click the drop-down list and select Open From Vault. Log in and select the vault project you want to compare with the current project.