I want to install microsoft office 2003, but I have lost the key, it was written on the cd but It just erased.. But I have another CD which have office 2003, But the application exe file have errors in installation, But I have the key to install it.. Do can i use the second key to install the first application, which dint have its own key?|||Nope...each package has it's own verification and the number won't match. I would email micorosoft and ask them about the errors...maybe they have a fix. If you give the the ID number etc and your name etc..they might replace it.|||You should be able to. As long as the editions are the same (e.g you cannot use a Student Home Edition key with a Professional key).

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