Red Eye Rose received a file with a strange extension. She doesn’t know into what program she should load it. Neither does Windows. I doubt that anyone knows all of the file extensions used ...

Any text editor can be used to create or edit an HTML file and, so long as it is named with an .html file extension, any web browser -- such as Chrome or Firefox -- will be capable of displaying the ...

PHP also reads HTML, so you can save an HTML file with a PHP extension and upload the new file to your server. After you upload the file to your server, you must. Chron Logo Hearst Newspapers Logo.

A PDF — which stands for Portable Document Format — is an open standard document file extension created by Adobe. It has gained popularity in recent years because of the ease of use it affords ...