2. Click the "File" button to see the recent history of word documents in the pop-up list.
3. Click the "word Options" button in the lower right corner.
4. Select the Advanced option on the left side of the pop-up window.
5. Hold down the left mouse button and pull the slider on the right to find the "Display" option.
6. Enter a value of "0" in "Show the number of recently used documents" and click "OK".
7. Click the "File" button again, and you can see that all the history records have been deleted.