You start a mail merge by selecting the type of main document. To do this, you can click the Main Document Setup button on the Mail Merge toolbar and select a type from the dialog box (see Figure 1.3).
Figure 1.3. Select the type of main document.
The document type you select changes the paper size and view that Word uses for the main document.
Let's take a closer look at the Envelopes and Labels choices because they have additional options you can set.
When you select Envelopes from the Main Document Type dialog box, the Envelope Options dialog box appears, as shown in Figure 1.4. From ...