Change the outline weight

1. Select one or more shapes.
2. Click on "Outline Line Weight" button.
3. Pick the desired width for the outline of your shapes.

Change the outline dash style (multi-click)

1. Select one or more shapes.
2. Click on "Outline Dash Style" button.
3. Toggle between 3 different outline dash styles for your shapes.

Note: the default outline dash styles can be managed in Tools Pane menu > Settings > Defaults.

Change the outline arrow style (multi-click)

1. Select one or more lines.
2. Click on "Outline Arrow Style" button.
3. Toggle between 4 different outline arrow styles for your lines.

Note: the default outline arrow styles can be managed in Tools Pane menu > Settings > Defaults.

Make lines vertical or horizontal

1. Select one or more lines.
2. Click the respective icons to make the lines vertical or horizontal.