Can I open old wideos with the new HTML5 Editor? Robbie May 05, 2020 02:06 Updated Follow Yes! Just click "Edit" and they will be automatically converted and opened in the new Html5 Wideo Editor. Find more information about the new Html5 Wideo Editor here Related articles Switch to the New Html5 Editor Enable Flash in Firefox or Safari Enable Flash to use Wideo Why is the editor opening when I click the download button? Go to Html5 Editor Help