The Microsoft Office suite of programs contains many of the world's most widely used productivity products, including Word, Excel, Outlook, PowerPoint and Access. Every copy of Office comes with a unique 25-character registration number, known as a product key, that allows installation of the software only on a single machine. To remain in compliance with your licensing agreement, remove the Microsoft Office registration on your current computer before installing the software on another. Perform the removal using the Windows Registry Editor.
- Skill level:
Click the Windows Start button and select "Run."
Type "regedit" (without quotation marks) and press "OK."
Locate the top-level Registry folder labelled "HKEY_LOCAL_MACHINE." Click the arrow directly to the left of the folder name to expand it, and then open the following sub-folders: "SOFTWARE" > "Microsoft" > "Office."
Expand the folder labelled "10.0," "11.0," or "12.0." The exact folder label varies, depending on the version of Office installed on your computer. If more than one of these folders is present, expand the folder containing the greatest number of sub-folders.
Expand the "Registration" folder. Click on each of the sub-folders until you find the one that contains the greatest number of Registry keys.
Right-click the "DigitalProductID" and select "Delete." Do the same for the key labelled "ProductID."
Close the Registry Editor. You have successfully removed your Microsoft Office product key.
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