1, open a word document with columns (taking two columns per page as an example), as shown in the figure below;
2. Click the "Insert" option in the toolbar, as shown below;
3. Click on the "footer", as shown in the figure below;
4. Click on the "edit footer", as shown below;
5. Enter "Page {={PAGE}*2- 1}" in the middle position under the first column on the first page, and "Page {={PAGE}*2}" in the middle position under the second column, as shown in the following figure;
6. Select "{={PAGE}*2- 1}" and "{={PAGE}*2}" respectively, and right-click "Update Domain" to complete the setting, as shown in the following figure.