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Use this method if the online activation fails or if you don't have an internet connection.

This is the fastest method if your computer is connected to the internet. Open any Office 2010 application (like or Excel ). Click the File tab and select Help . Select Activate Product Key . Use this method if the online activation fails

Choose your country/region to see the local Microsoft Activation Center numbers . provide them with your installation ID

Choose and follow the prompts. 2. Telephone Activation Use this method if the online activation fails

“If you are able to get through to a representative via phone, provide them with your installation ID, and they will give you a confirmation ID to complete the activation.” Microsoft Learn · 3 months ago