In Office 2010 and also 2013, you have a handy tool for sharing files with others without exposing such "confidential" or hidden information in your Word, Excel and PowerPoint.
Follow these Steps:
- Go to "File", select "Info".
- Look for "Prepare for Sharing" and the big button "Check for Issues", select "Inspect Document".
- Check everything and press "Inspect" button.
- If hidden data (personal information) found, a button named "Remove All" will be available, Press it to remove the hidden data
For more information, check this out:
For example, Office Starter Word has limitation of certain hidden data will not be able to be removed.