Change Product Key Of Mac Office 2008


Chances are, you may want to change the product key of your Mac Office 2008 upon finishing an update from their site because the product key used to install your Office 2008 installation used an invalid product key. If after the update it does detect that an invalid product key was used, the office assistant will keep on popping up while the application that you chose to open will never be seen. To reset the product key, delete the following files and send to trash.

  • /Users/[username]/Library/Preferences/Microsoft/Office 2008/Microsoft Office 2008 settings.plist
  • /Applications/Microsoft Office 2008/Office/OfficePID.plist

[username] would be the username of your laptop. Run any Mac Office 2008 application and the office assistant will now have a textfield of the product key for you to input.

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79 Responses to “Change Product Key Of Mac Office 2008”

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  1. 61
    gins Says:

    i have done wat it says in here… after that i go and open it again and a box saying activate purchase comes up! asking me for a product key…any key i put in ut doesn’t recognize it. =[

  2. 62
    tech Says:

    perhaps your key is not recognized by microsoft office to begin with

  3. 63
    lazarts Says:

    The whole thing with getting it to work with this link that’s supposed to provide you with working keys is just crap! Do what I did: uninstall Microsoft Office 2008 for mac, reinstall it and NEVER do an update again. Works fine for me since then!

  4. 64
    Arif Says:

    Thanks, worked excellent with me

  5. 65
    Tammy Says:

    Same problem as gins. Removed those two files just fine. The box comes up to activate what I opened, Word, and when I put the key in, it says in red text you’ve entered an invalid product key please try again. It also says my 30-day trial version has expired. But I searched for the trial version just in case and it’s called Test, which isn’t on my computer anymore.

    I tried the manual activation with the product key and it says call cust service for the activation code. That pages takes you to another page that you have to fill out and THEN it says they’ll get back to you in 2 biz days. Does anyone know any other way to contact customer service to get a real person in order to get the lousy activation code? First mac, I’ve never been so frustrated. Ever.

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