Efm extension stands for Adobe Equation FontMetrics. These file formats can be used by Font creator software.
Efm is a font size file that developed by Adobe firm. Similarly, afm, amfm and acfm extensions are also used.
Afm files include letter sizes and dimensions for each font that used with font editing softwares.
For opening these file formats you may also try Font Creator software. There are different web pages that allow you to download it free.
What to use efm
which page related to efm file
efm Related Searches
You can check related links about efm fileextension.