Adobe InDesign - Manual (Page 224)

Note:
Margins
Columns
Note:
After you create a document, you may change your mind about how you want it set up. For example, you may want single pages instead of facing
pages, or you may want to change the page size or margin settings.
Change document setup
Changing options in the Document Setup dialog box affects every page in the document. If you change page size or orientation after objects have
been added to pages, you can use the Layout Adjustment feature to minimize the amount of time needed for arranging existing objects. See About
automatic layout adjustment.
1. Choose File > Document Setup.
2. Specify the document options, and then click OK. (See New Document options.)
Change page margin and column settings
You can change column and margin settings for pages and spreads. When you change the column and margin settings on a master page, you
change the setting for all pages to which the master is applied. Changing the columns and margins of regular pages affects only those pages
selected in the Pages panel.
The Margins And Columns dialog box doesn’t alter columns inside text frames. Text frame columns exist only within individual text frames,
not on the page itself. You can set up columns within individual text frames by using the Text Frame Options dialog box. (See Add columns to a
text frame.) Text frame columns can also be affected by the Layout Adjustment feature.
1. Do one of the following:
To change margin and column settings for one spread or page, go to the spread you want to change, or select one spread or page in
the Pages panel.
To change margin and column settings for multiple pages, select those pages in the Pages panel, or select a master that controls the
pages you want to change.
2. Choose Layout > Margins And Columns, specify the following options, and then click OK.
Type values to specify the distance between margin guides and each edge of the page. If Facing Pages is selected in the New
Document or Document Setup dialog box, the Left and Right margin option names change to Inside and Outside, so that you can specify
additional inside margin space to accommodate binding.
Specify the number of columns.
Select Horizontal or Vertical to specify the column direction. This also sets the writing direction of the document baseline grid.
Create unequal column widths
When you have more than one column on a page, the column guides in the middle appear in pairs. When you drag one column guide, the pair
moves. The space between the column guides is the gutter value you specified; the pair moves together to maintain that value.
You cannot create unequal column widths for columns in a text frame. Instead, created threaded, side-by-side text frames with different
column widths.
1. Go to the master or spread you want to change.
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