Yes you can! While in “large view” mode, when you are looking at the large video / screen-share with all the thumbnails on the right, there is an arrow at the b

Yes you can! While in “large view” mode, when you are looking at the large video / screen-share with all the thumbnails on the right, there is an arrow at the bottom pointing right wards. Click it and that will hide the filmstrip altogether just leaving the large view.