Step 1: Import PDF files
Drag and drop PDF files into the panel, you can successfully import PDF files to convert. Also you can choose "File-> Add PDF Files" in the menu bar to add PDF files for conversion. Following is the screenshot after importing PDF files in the panel:

Step 2: Customize
To set the output folder for the converted Word files, choose "File-> Preferences" in the menu bar. The default option is to save the converted documents in the same folder as source files.

And click on the gear icon beside the Word icon in the line of the selected PDF file, you can customize the page ranges or select the output format Ms Office Word (.doc) for the output file.

Choose Word format and select "Apply to all" option, the format of current file setting will apply to all the files in the panel.
Step 3 Convert
After setting the output settings, click "Convert" button to convert PDF to Word. The conversion will be finished in seconds. Then you can click on the Word icon to open the converted file.