Go to printer properties. Most recent driver versions look like this in Advanced Mode. If you are in Basic mode, look for a button near the bottom right to get to this screen.

Older drivers will look different. The principles will be the same, though.

Find the drop down menu that has paper sizes. Look near the bottom of the list for a selection called User Defined. Click on it.

This dialog will appear.

Check the image at right for the order you will follow to make a custom paper size:

1) Fill in paper width
2) Fill in paper height

NOTE! The units of width and height are in .01 inches! Make sure to keep this in mind when entering the dimensions. See at right »»

3) Name your size - call it something that is easily recognizable
4) Click the Save button
5) Click OK

You now have a permanently saved custom paper size that will appear in your list of paper sizes.

This dialog will appear.

Check the image at right for the order you will follow to make a custom paper size:

1) Click New
2) Fill in the Paper Size
3) Highlight and name your paper
4) Check to see that the margins are all equal - they will usually all be 0.25" all the way around
5) Click the Save button
6) Click OK

You now have a permanently saved custom paper size that will appear in your list of paper sizes.

When you click OK from the custom size menu, you will arrive back at the Page Setup dialog box.

Click on the drop down box labeled Format For and choose your printer.

Next, click the Paper Size drop down menu. You will see a listing of all sizes available for use with your printer - including the new custom size you made above. Look near the bottom of the list for any custom sizes. Choose the size you just made.