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I have used a pirated Office 2007 key in my official laptop, But i came to know that our company has its own registered Office 2007 key. I have tried to change it and deleted the existing product id by following an instruction found online. But now registered key is not accepted with existing installation. It is showing incorrect key message. Please suggest what should I do?
Answer by Mime School Dropout
Uninstall the previous install and use the company’s version and key. Bingo
FYI using pirated software on a company laptop sets you up for all sorts of problems, not all of them virus related. I have seen many fired for installing unauthorized software


uninstall the previous office 2007
then use CCleaner( download it from http://www.filehippo.com/download_ccleaner/download/d10f46e42fdb5cd0e6f33a542be01eeb/ )
remove unnecessary registry keys using this software
restart PC then install office & use that original key