How to hide headers in front section of a document

I have created a 480 page document, of which the first four pages are front matter. The document has a header that appears on every page. How can I hide the header on the first four pages?
Thanks.

You have to use a different page style for the front matter pages. That’s because the behavior of headers and footers, just like page margins and a bit more, are controlled by page styles, not in sections as in MS Office if you are familiar with that.

Press F11 to open the list of styles, click the fourth icon from the left at the top of that window to select the page styles tab. Right click in it, select New, select the Organizer tab and give the style a fitting name (just for readability, so you know what you were doing there when you open the file in a few months’ time). If you changed page margins, page size and so on, copy those settings to the new page style. In a new page style headers and footers are off by default, so you don’t have to do anything there.

Now comes the tricky part. Set the cursor at the top of the first page after the front matter stuff, in the first paragraph. Select Format - Paragraph from the menu, select the Text flow tab, set Page break before, and select Default for the page style. You have an extra page now that you can safely delete, for the rest, nothing changes. Put the cursor anywhere in the front matter pages, but the first page makes more sense, then apply the new page style.

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