By default, all software supports multiple file extensions. Secure IE supports at least 1 different file extensions. The basic files that Secure IE supports are .ZHTML. However, not all of the extensions listed on the list are always used to save the effects of work in Secure IE. Very often, files with such extensions are used as source data files used by Secure IE.
Secure IE can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Secure IE and try to save it in another file format, also supported by Secure IE.