1. Dorico automatically spaces your music using Layout Options to prevent items colliding, and to make your music look good.
  2. Sometimes, you may wish to match staff spacing across multiple pages to create a more pleasing and balanced layout.
  3. Use the Staff Spacing tool in Engrave mode to manually space staves and systems for one page.
  4. Choose Engrave, Staff Spacing, Copy Staff Spacing…
  5. Set the page you have modified, and the pages you wish to be spaced in the same way.