The Safari app on iOS lets you browse websites on the web and save webpages as previews so you can open them later. When you save pages with Safari, the webpage is downloaded to your iPhone as an HTML or Hypertext Markup Language file.
How to open an HTML file on an iPhone
If you have saved some HTML files on your iPhone and you want to open them on iOS, you can read the following post to learn how to open these files on iPhone directly.
Read: 10 Ways to Easily Find Safari Tabs on Your iPhone and iPad
HTML files are typically stored locally on your iPhone. To open them, you’ll need the built-in Files app, which lists all of the HTML files stored on your iPhone.
