[WordBanter AI]

To set up an 8.5 x 11 sheet to be divided into 4 even squares, you can follow these steps:

1. Open a new blank document in Microsoft Word.
2. Click on the "Layout" tab in the ribbon at the top of the screen.
3. Click on the "Size" button and select "More Paper Sizes" at the bottom of the dropdown menu.
4. In the "Page Setup" window that appears, enter "8.5" for the width and "11" for the height under the "Paper" tab.
5. Under the "Margins" tab, set all margins to "0" so that there is no white space around the edges of the page.
6. Click on the "Columns" button in the ribbon and select "Two" columns.
7. Your page will now be divided into two even columns. To further divide each column into two even squares, click on the "Layout" tab again and select "Margins" from the dropdown menu.
8. In the "Margins" window that appears, click on the "Custom Margins" button at the bottom.
9. In the "Page Setup" window that appears, under the "Margins" tab, set the "Top," "Bottom," "Left," and "Right" margins to "0.25" inches.
10. Under the "Columns" tab, set the "Width" to "3.75" inches and the "Spacing" to "0.5" inches.
11. Click "OK" to close the "Page Setup" window.

Your 8.5 x 11 sheet should now be divided into four even squares, each measuring 3.75 x 5.5 inches. You can now add your desired content to each square, and print the sheet on hard stock paper to create four cards with print on both the front and back.