To start capturing, simply right-click and choose Web Capture, or if you prefer a keyboard shortcut, press Ctrl + Shift + S. However, Microsoft released a preview in its Edge canary channel, now available in the Dev channel as well, that lets you capture the web page with a few simple clicks. But there is no such thing out of the box for both Chrome and Microsoft Edge, as of now.
The best option is to save the entire page in one single image, like taking a screenshot of the entire desktop. mhtml, opening it becomes an issue as well because it always opens in Internet Explorer by default. Even though you can save either page in one single file format as. If you save as simple HTML format, it saves a bunch of unrelated files as well, such as CSS style sheet, javascript file, small image files, etc. Some people also use Save As feature to save the entire page as an HTML file. But the result always varies, depend on how well the webpage is coded for printing. The first option people always do is to print, whether to a physical printer or to a PDF printer to save the result in PDF format. When it comes to saving web pages for keeping records purpose, there aren’t many good options.