Can I download files uploaded using the ‘File Upload’ question at once?

Yes, it is possible.

1. Click the "Download" button on the top left of the Result page.
2. Select ''File upload' question attachments' for 'Target'.
3. Choose folder structure and specify file name.
4. Click "Create File" button.

Thus, you can create the attached file as a ZIP file. When creation is complete, it can be downloaded.

For more information, check the 'Download data' help.