For Hinakos, the setting is already "Show Enhanced (WYSIWYG) Editor Toolbar" so that might not be the problem. I was thinking maybe it is browser related. Or are you on a mobile device?
@Joji, ppt files are not allowed by default, probably for security reasons. As Matsaleh says you could upload it to a site like: Upload & Share PowerPoint presentations and documents
@Joji, ppt files are not allowed by default, probably for security reasons. As Matsaleh says you could upload it to a site like: Upload & Share PowerPoint presentations and documents