If online activation fails, you can try . Select the option "I want to activate the software by telephone" in the wizard to receive a regional number and a confirmation ID from Microsoft. Recovering a Lost Product Key
Locating your key depends on how you originally acquired the software: microsoft office 2010 product key
: If your computer came with Office 2010, the key might be in an email from the manufacturer or on a Certificate of Authenticity (COA) sticker on the hardware. How to Activate Office 2010 If online activation fails, you can try
Enter your 25-character key and follow the prompts in the Activation Wizard. How to Activate Office 2010 Enter your 25-character
: Log in to the Microsoft Store using the account you used for purchase. Navigate to Order History to find your one-time purchase and view the key.
: Check the email receipt from your purchase. Search for "Microsoft" or the name of the store where you bought it.
Enter your account data and we will send you a link to reset your password.
Here you'll find all collections you've created before.