All document’s properties are located under the ‘File’ menu tab in the ‘Info’ section (MS Word document information panel). Look at the picture below.
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There are a set of common properties such as title, tags, categories, comments, subject, etc. By default, the only basic set is displayed. To show all properties, click the link at the bottom of the window (see the picture below).
Also, there are advanced properties that contain general information, some statistics, basic and custom properties.