Use Windows Explorer to make an FTP connection to your site, download the page you want to alter, then add the information you want to include on the page and upload the file to your server again.

Internet Explorer, Firefox, and Google Chrome make it easy to save a Web page as an HTML file for viewing offline, but that is far from your only option when you want to preserve some or all of ...

Internet Explorer offers a one-file solution that gets around this problem: Web Archives. To create one, select Page, then Save As. For ‘Save as type,’ select Web Archive, single file (*mht).