2. Click the "Page Thumbnail" button on the left.

3. Find the page to be extracted from the page thumbnails.

4. Right-click the page and select Extract Page.

5. In the pop-up dialog box, enter the page to be extracted. You can only select this page. In this case, you can fill in "44 to 44/ 1 10". If you want to extract several pages continuously, you can fill in "44 to 46/ 1 10".

6. You need to select a save path.

7. The extracted page can be found in the previously saved path, and the electronic signature can be retained after merging the pdf files.