The following are guitar chord charts for Major 7 chords. For more info on reading guitar chord charts, check out the Guitar Chord Primer.
Open Position Major 7
Moveable Major 7
These chords don't contain any open strings, therefore
they can be played on any fret. The root of the chord (the
letter name ex. A, C, D etc.) is the square. In order to
know what the name of the chord is, you will need to know
of the notes on the neck.