The paper size can be easily set in the Word2013 document, and users can set it in two ways:
Mode 1: Open the Word2013 document window and switch to the page layout ribbon. Click the paper Size button in the Page Setup group and select the appropriate paper in the Open paper Size list, as shown in Figure 2013072707.
Figure 2013072707 Selecting paper Size
Mode 2: In the "Paper size" list of mode 1, only the most commonly used paper types are available, and if the paper types do not meet the needs of the user, you can select more paper types or custom paper sizes in the Page Setup dialog box, as described in the following procedure:
Step 1th, open the Word2013 document window and switch to the page layout ribbon. In the Page Setup group, click the Display Page Setup dialog box button, as shown in Figure 2013072708.
Figure 2013072708 Click the Show Page Setup dialog box button