What is .TEF file extension?
.TEF file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Contains tablatures (tabs) and sheet music for the guitar and other fretted, stringed instruments, including mandolin and bass; also supports the harmonica, mountain dulcimer, diatonic accordion, drums, violin, tin whistle, recorder, Xaphoon, autoharp, pedal steel guitar, and banjo.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.