Add tags or keywords to Microsoft Word documents to make them easier to find. By default, no tags are saved when you save a Word document, but you can add your own tags before or after you create the document.
Adding Tags in Word
Tags are useful if, for example, you have multiple related documents in a single folder or on a flash drive and each document has a non-descriptive or nearly identical file name, such as project.docx, otherproject.docx, and otherproject1.docx. To quickly find related files in a folder, categorize each file by applying a tag. Then, search the folder for a specific tag to find documents with that tag.
Here's how to add tags to a Microsoft Word document:
Go to File > Save As.