Updated 9 years ago
These are old instructions for MuseScore 1
For MuseScore 3 users, see Arpeggios and glissandi

Arpeggios are set by dragging an arpeggio symbol from the arpeggio palette to a note of a chord.

Arpeggio Palette

In version 0.9.5 or later you can edit the length of the arpeggio by double clicking on it and dragging the handle up or down

Arpeggio spanning two staves