Important: When you select the option to activate Office by telephone, you might receive this error: Telephone activation is no longer supported for your product. In most cases, you'll need your product key to activate Office Need help finding your product key?

If you don't see an Activate Product Key button, your software is already activated, and you don't need to do anything.

If you're activating over the Internet and have a slow connection, you might want to activate by phone. In the Activation Wizard, choose I want to activate the software by telephone. When you call the Activation Center, you'll be asked to provide the installation ID displayed on your screen and other relevant information. After your installation ID is verified, you'll receive a confirmation ID. In the Activation Wizard, type the confirmation ID in the spaces provided at the bottom of the screen, and then press the Enter key.

Tip: If you still can't activate Office, call the activation number, but don't enter anything or say anything. You'll be transferred to someone who can help you. Your Office license allows you to reinstall Office on the same computer, and some licenses allow you to activate Office on more than one computer. But if microsoft office professional plus 2010 without product key free try activating Office and you get a message that you have installed it too many times, use the telephone option in the Activation Wizard to microsoft office professional plus 2010 without product key free a support technician.

To learn more about what the license terms allow, read the Microsoft Software License Terms for your Office product. If you don't activate your software, eventually Office switches to Reduced Functionality mode where it lets you open files to view them but not edit them. In the Activation Wizard, choose the option for activating by telephone, and when you call the activation number, but do not enter anything or say anything.

Activate a volume edition of Office. Table of contents. Office install. How to install Office. Redeem or activate. Office product keys.

Activate Office. Install other apps. Set up mobile devices. Office updates. Upgrade to the latest version. Troubleshoot and uninstall. Need more help? Join the discussion. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help.

Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Pictures helped. Didn't match my screen. Incorrect instructions. Too technical. Not enough information. Not microsoft office professional plus 2010 without product key free pictures.

Any additional feedback? Submit feedback. Thank you for your feedback!