Often editing document and files in the Word desktop app gives a better experience. You can easily open documents from the web in the Word app:
Word on the Web, looks like this - and sometimes the content can be skewed and look incorrect (note the missing picture on the right)
To open a document from Web to Desktop, click on the 'Editing' button on the top bar, and then 'Open in Desktop App'.
Allow the system about 30 seconds to open the document, and it will show you that it is loading on screen.
Desktop App for Word, which looks more familiar, and the content is all correctly laid out on the page.