After opening the scanning almighty king, we click the ellipsis in the upper right corner to open more functions. In the drop-down list, we click Select, and we can see that all documents are selected. We can click to select the document whose name we want to change. After selecting the document, we click the more icons in the lower right corner. In the open list, we can click Rename. Finally, we can enter a new name, and then click OK. We can see the name of our file, which becomes a new name.