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The ChemDraw for Excel Add-in is not loaded and when added manually the buttons do not work.


Recent updates from Microsoft seem to have affected several versions of MS Office, conflicting with the ChemDraw Add-in. In order to correct this problem you must perform a clean installation of both, MS Office and ChemDraw / ChemOfice.

First uninstall ChemDraw or ChemOffice. Then follow the instructions on this website to remove MS Office:

Finally reinstall ChemDraw and test it.

Created on: 10/9/2017