I installed MS-Office 2010 Professional Plus 1 month ago. But now it is giving error when I open any of its product like Outlook, Word, Excel etc.

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Please help me what can I do for that? I do not have product key. What should I enter in Change Product Key?


Microsoft Office is highly cost software.. you have installed it on your computer as like windows operating system this needs an product key printed on the pack of the software CD/DVD.

If you have genuine Microsoft product then you should enter the product key that they have provided you and if it have any issue then go to Microsoft office support website..

follow this link for more information and check this Activate Office 2010 programs to know about activation process


You need to pay for it to keep using it... It's not freeware

  • hmm .. but I have the paid version. – Asma Wakeel Nov 18 '11 at 6:07
  • 2
    Your receipt should of came with a copy of the product key. Or your reseller should of gave you a copy of the product key. – surfasb Nov 18 '11 at 8:54

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