Formatting paragraphs can be done with just a few clicks of the mouse. You can easily format a single paragraph or all of the paragraphs in a long Word document. To format a single paragraph, place the cursor anywhere in that paragraph. To format all of the paragraphs in the document, click the Select drop down arrow in the Editing group on the Home tab of the ribbon in Word 2007. In Word 2003 or earlier, go to the Edit menu and click Select All. You can also use the keyboard shortcut Ctrl+A.
In Word 2007, go to the Paragraph group on the Home tab of the ribbon. Click the Paragraph Dialog launcher in the bottom right.

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In Word 2003 or earlier, go to the Format menu and click on Paragraph. The Paragraph dialog box will open. In the Paragraph dialog, you can format the alignment, add indentations or change line spacing. For example, if you have created a long Word document and realize that you want to indent the first line of every paragraph, simply select the entire document and launch the Paragraph dialog. In the Indentation section, click the Special drop down arrow and select First Line.

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In a long document, keeping paragraphs together improves readability and makes the document easier to manage. Click the
Line and Page Breaks tab of the dialog to use formatting features such as Widow/Orphan control, which prevents the first line of a paragraph from being alone at the bottom of a page, or a last line from ending up by itself on a new page.