Select the measures to be resized. You
only need to select the region in one staff; the measure widths will
be changed in all staves. See Selecting
music for some region-selecting shortcuts.
Choose Edit > Edit Measure Attributes.
The Measure Attributes dialog box appears, letting you specify a fixed
width for all selected measures or to add or subtract a certain amount
from all selected measures. The units are whatever you’ve selected using
the Measurement Units command in the Edit menu.
If you want to set the selected measures to
a uniform width, enter a value into the Width text box. If you
want to add or subtract the same amount of width in all the selected measures,
enter a positive number (to widen) or negative number (to narrow) in the
other text box.
Click OK (or press ENTER).
Be sure to choose Update Layout from the Utilities menu (or press CTRL+U) before printing or viewing
in Page View.
.