.XHTM

.XHTM file extension

This is the basic program to work with .XHTM extension

Opera

Opera HTML Document

Opera is a free web browser with a variety of unique features for secure, fast Internet access. Opera provides the familiar multi-tabbed interface of Chrome, Firefox, and other browsers. Its built-in VPN server allows you to browse websites anonymously... (more)

The program works with the following extensions: bmp, gif, jpg, png, htm, xml, jpeg, html, torrent, xht, wrl, wrz, url, wgt, xbm, mfp, mht, svg, nws, xhtm, spop, svgz, xhtml, mhtml and xevgenxml

.XHTM extension is also supported by the following program:

Free Download Manager

Free Download Manager HTML Document

A powerful modern download accelerator and organizer for Windows and Mac.