Thmx extension is related to Office Theme. You have chance to open thmx files with Microsoft Power Point.
Thmx extension stands for theme files. These file formats are created for Microsoft Office. Thmx theme files are used with Microsoft PowerPoint. If you need an alternative software to open thmx files, you can always try the other office type of softwares that can be downloaded free via internet.
What to use thmx
Microsoft Power Point in Office package
which page related to thmx file
thmx Related Searches
You can check related links about thmx fileextension.