In order to test this please use the attached h5p file Login as admin Create a new course C1 In your new course create a new resource of type label In the label text editor on the Atto toolbar click the H5P button Upload the attached ipsums.h5p file Open the H5P option collapsed section Check "Allow H5P file to be downloaded for mobile app offline use" Click insert H5P The dialogue should close and you should see the h5p placeholder Expand the Atto toolbar clicking the top left arrow down button Click the HTML button: <> Verify you see the link to your uploaded H5P file ending with "offline=1" Switch back to the WYSIWYG view. Double click the H5P placeholder Verify the H5P dialogue opens. Verify that the "Allow H5P file to be downloaded for mobile app offline use" option is still checked