How to Add a Bold Line to a Word Doc

1. Navigate to the part of your document where you want the bold line to appear.
2. Press the 'Enter' key once to create a blank line.
3. Hold the 'Shift' key and then press the '-' key three times to create a string of underscore characters.
4. Release the 'Shift' key and then press the 'Enter' key. Word automatically generates a full-width bold line.