Canon iPF825 User Manual page 308

Windows Software
Use the procedure below to restore the add-ins disabled by Microsoft Office.
For Microsoft Office 2010
1.
Select Options from the File menu.
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2.
From the list on the left side of the <application name> options dialog box, select Add-ins.
3.
Select Disabled Items in the Manage combo box and click the Go button.
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When Print Plug-In for Office is not displayed
> Print Plug-In for Office >
iPF825