If you want to change the author name of your Word, Excel, PowerPoint document that you have already created in Office 2010 or 2007 versions, after a jump you find the method to do that.
Here you can find change default author name of Office 2010 or 2007
Simply open your document and click on “File” tab > “Info”
In the right panel of window click on “Properties” > “Show Document Panel”
Delete the existing author name and type new name in the field followed by “Author”
Press “CTRL + S” from keyboard to save the change. Now the author name for that specific document is replaced.
Click “Office” button > “Prepare > Properties”
It will open the document properties, here just change the “Author” name and save your document to make the change affective