Using from the browser
Instead of installing the Google Sheet add-on, you can directly run the app in your browser.
- Visit the app page.
- Click Pick from Dropbox to open the Dropbox chooser.
- Select the folders from which you want to list the files.
- Authorize Drive Explorer to fetch files on your behalf.
- Now, your files will be fetched and listed in the browser.
- You can export the file details to a CSV file.
To refer to the image for each step, check the landing page.