The technique used to add a Creative Commons License to a file is much the same in Word, Excel, and PowerPoint. We’ll go through a demonstration in Word to illustrate the process.
Step 1: Make sure you’re connected to the internet. This particular add-in will only work if you have a working internet connection.
Step 2: Open the Creative Commons tab on the ribbon and click on Licenses. Choose New License.

click to enlarge
Step 3: The License Wizard will ask a series of questions that will determine what type of license to download. Assuming that you want to preserve at least some of your rights, choose Creative Commons in the first screen.

click to enlarge
Next, you will be asked if you give permission for your work to be used commercially.

click to enlarge
In the next screen, you’ll be asked if you are granting permission for others to modify your work.

click to enlarge
Finally, you’ll be asked to choose from a generic license or a license governing a particular jurisdiction.

click to enlarge
Click Finish when done and the new license will be downloaded.
Step 4: To attach the downloaded license to your document, click on License again and select the one you just created.

click to enlarge
The new license will appear in your document as shown in the screenshot below.

click to enlarge
For more tips and tricks, be sure to take a look at the other Microsoft Office user guides available here on Bright Hub's Windows Channel, including this
collection of MS Word tutorials. New and updated items are added on a regular basis, so bookmark us and check back often.