Login to your Qualtrics account and select the survey you want to export.
From the Tools dropdown menu select Import/Export and then select Export Survey.
This will start the download of a .qsf file that you will need to save on your local hard drive.

Data & Analysis tab.
Export & Import dropdown menu select Export Data...
CSV and change the export option to Use numeric values.
Import menu then select Qualtrics Survey..qsf file you previously downloaded for the survey you want to import.Responses tab.Select File for Import... button and then select the CSV file you previously exported.