‘save target as’ the only option I get is to save the file in Firefox Document format (url.htm)

Questions:

When I try to download a file by ‘save target as’ the only option I get is to save the file in Firefox Document format ( url.htm ). Why is that happening?!

Why is Firefox saving all files in “firefox document” format?

Everything works good, except that problem with Firefox. That feature is working fine in Internet Explorer.

Answer:

The links on the Google results page are modified via onclick if you click them to allow phishing detection, so you need to open such a link and save the pages or links from the tab.

On other search engine like bing.com it works fine.