OK, I got the spreadsheet to load into my app. The key thing was to get my File ID into the app, and when I hard coded it into the Dim FILE_ID=… I was probably making mistakes. In the google spreadsheet sample app, I realized that after you click the list button it gets the file ID from the google drive. So, I just did Dim FILE_ID at the top of the app, and in the listFilesCallback function, I typed FILE_ID=files.id. The 3 indicates it is the 4 file in the list since the files are counted 0,1,2,3,…The app then puts the File ID in the FILE_ID variable.