I'm using Project 2010 Proffessional standalone and want to show the 'Compare Projects' tab on the main ribbon. In the File/Options/Customise the ribbon box I see the 'Compare Projects' main tab and put a tick in the box to select it. The commands underneath it are all greyed out and if I select OK the tab doesnt show on the ribbon.
Am I doing something wrong? Any advice would be appreciated.
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