Click Print.
For more information about printing on your Mac, click the question-mark button at the bottom of the print window. Most printing functions are managed by your Mac’s operating system and by the features built into your printer.
If documents won’t print or the color looks wrong, check the documentation that came with your printer.
You can print envelopes from within Pages, as described below, or from the Contacts app on your Mac (see Contacts Help to learn how).
Go to the Pages app sidebar, click the Document tab.
Click the second pop-up menu in the Printer & Paper Size section, then choose an envelope size.
If you don’t see the size you need, you can set a custom size. Choose File > Page Setup (from the File menu at the top of the screen), click the Paper Size pop-up menu, then choose Manage Custom Sizes.
On the envelope template, click placeholder text in the recipient address, then type the address.
You can add or delete lines as needed.
Double-click text in the return address, then type your address.
The return address is a text box. Drag the selection handles if you want to resize it.
Choose File > Print.
Click the Printer pop-up menu, choose a printer, then click Print.
You can create personalized envelopes with your return address, then sidebar.
Click the Printer pop-up menu and choose a printer.
Click the Paper Size pop-up menu and choose a paper size.
Click a page orientation (portrait or landscape).
For more information about custom paper sizes, see Set paper size and orientation in Pages on Mac