Hi Ernie,

You should be able to save your Xara file to Google Drive, Dropbox or OneDrive and then open it in Online Designer. You can allow your clients to edit the website themselves by creating a shared folder with them in one of those cloud drives. It is ideal for allowing them to replace images, update text, links etc.

What exact problem did you have when opening the page?

If you have any problems with Online Designer you can contact directly in the chat via intercom, I know they are good at responding quickly to that chat. They are available during normal business hours for the UK and Germany.

Hope that helps!
Stephen