Edim(maj7) 7-string guitar chord

How to play Edim(maj7) on 7-string guitar

The most common way, the first shape above: your index finger on the A string at the 1st fret and your middle finger on the D string at the 1st fret. Let the low E and G strings ring open. Don’t play the low B, high B and high E strings.

From the low B string x 0 1 1 0 x x (x: not played, 0: open)

What notes are in Edim(maj7)?

Edim(maj7), E diminished major seventh, is E, G, B♭ and D♯: the root (E), the minor third (G), the diminished fifth (B♭) and the major seventh (D♯). Its formula is 1 ♭3 ♭5 7.