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Re-enabling OnePager Pro Add-In in Microsoft Project 2003/2007

The following instructions walk you through how to make sure that OnePager Pro is enabled in Microsoft Project 2003 or 2007. If you are using Microsoft Project 2010-2021, please read How to Enable OnePager Pro in Microsoft Project 2010-2021 instead.

  1. In Microsoft Project 2003 or 2007, double-check that OnePager Pro hasn't been disabled. Go to Help About Disabled Items.
  2. Make sure that OnePager Pro hasn't been disabled. The list of disabled items should be blank, as shown below:
    Manage Disabled Items
  3. If OnePager Pro has been disabled, select it, click Enable, and re-start Microsoft Project.
  4. If you still don't see OnePager Pro, go to View Toolbars Customize...
  5. Click on the Commands tab, select Tools in the left panel, and locate the COM Add-Ins menu command as shown below:
    Microsoft Project 2007 Commands Form
  6. Drag and drop the COM Add-ins menu command back to the Tools menu as shown below:
    Make sure that COM Add-Ins is on the Tools menu
  7. The Tools menu will now have an option called COM Add-Ins as shown below:
    The COM Add-Ins choice now appears on the Tools menu
  8. Click the COM Add-Ins command that you just created and you will see a form that looks like the one below. OnePager Pro should be listed as a COM add-in, and the box next to it should be checked:
    Manage COM Add-Ins.
    IMPORTANT: In rare cases, the "Location" in the screenshot above will be blank. This is an indication that OnePager is partially installed, but that you do not have the correct Windows user permissions to finish the installation in Microsoft Office. To remedy this, uninstall OnePager and ask someone with installation permission to install it in your account. Or do a per-machine installation by installing from a batch file in which you set ALLUSERS=1 as described in the Readme file, or in these advanced installation instructions. Again, this step is only required if you see a blank "Location" in the form
  9. If the box is not checked, check it, and click OK.


Last Updated: June 4, 2021