Microsoft Word 2013 automatically adds metadata, such as the document's creators and the time the document was composed or edited, to documents. You can choose to manually add metadata to a document, including titles, tags and comments. To discover what metadata is attached to a document, go to the Info tab or inspect the document to view or remove this data.
Click the File tab to open Info and Document Inspection options.
Click the Info tab and choose Show All Properties to expand the current list of data.
Locate the metadata entries on the right.
Click Check for Issues in the Info tab and choose Inspect Document.
Choose Yes from the warning dialog.
Check Document Properties and Personal Information in the list of options and click Inspect.
Click Remove All to delete all metadata.