Although it is possible and quick to resize all pages in a document using the multiple page selection outlined in the previous section, it is also possible to resize all pages by adjusting the settings under the Pages tab in the Document Settings Editor:
Bring up the Document Settings Editor.
Set the media box popup to the desired setting.
Choose the scaling and alignment options.
Confirm the dialog by pressing the [OK] button.
All pages in the document will now be resized.
This method is especially convenient for changing a document’s
page size from on standard to another. E.g. to change a US Letter
sized document to A4 size, you could select
Manual Size from
the media box popup menu, leave the
Scale Contents check box
off, and set the
Alignment popup to
this is sufficient to produce a decent transformation. In the reverse
case, changing from A4 to US Letter, you will often find that you need
to turn content scaling on (and activate the [Proportionately] button)
to ensure that no content extends beyond the imageable page margins.