866-542-3062 Microsoft Product Activation

This page has more information covering the phone number provided by Microsoft for Product Activation. There may be other ways to contact Microsoft and you can click here for the complete Microsoft customer service options.

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Phone: 866-542-3062

  • How to reach a live person:
    • This is an automated system only
  • Hours of Operation:
    • 24/7
  • Description:
    • If your online activation for a Microsoft product like Office doesn't work, these are the people to make it work.. very helpful!
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