Articulations can be found in the Articulations palette.
These include all kinds of accents, staccato and vibrato markings.
Articulations can be added to your score in any of three ways:
Certain articulations (accent, marcato, staccato, and tenuto) can be added from the note input toolbar (above the document pane).
To add any articulation:
Alternatively, drag and drop an articulation symbol from the palette to a notehead.
To add an articulation with a keyboard shortcut (i.e. accent, marcato, staccato, or tenuto):
Certain articulations affect note playback—such as staccato, staccatissimo, louré (tenuto + staccato), and accents. This is handled automatically by the program.
For a selected articulation any editable properties will be shown in the Properties panel.
Use the placement controls to either let MuseScore automatically choose the standard placement, or manually select above or below.
Certain default properties for articulations can be edited in Format→Style→Articulations, Ornaments.
Align with stem
Align with notehead
Center between stem and notehead
Always keep together
Prefer closeness to notehead (combined articulations may become separated)