Uninstalling OnePager Pro
From OnePager Documentation
If you want remove the OnePager installation from your computer, go to the Windows Control Panel and look for “Add or Remove Programs”. Double-click this button and wait for Windows to display a list of all your installed applications. Scroll down the alphabetical list until you find the following entry:
Click this entry and then click the “Remove” button. OnePager will be uninstalled from your computer so that it no longer appears when Microsoft Project is launched.
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