<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> Don't know if it is that file format specifically, but maybe give <a href="https://openboardview.org/" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">openboardview.org/</span><span class="invisible"></span></a> a try? For an old Dell board it worked fine for me a long time ago</p>