2. Select the Edit button on the far right.
3. When the Edit button appears, select Replace in the lower column.
4. The above operation is stupid, and another way is to use the shortcut key "CTRL+H" (also an alternative shortcut key).
5. In the Find and Replace dialog box, in the Replace option, enter "^p^p" as the Find Content option and "p" as the Replace option.
6. Click Replace All. Finally, the "OK" button.
7. It becomes paragraph merging.