How to Fix A3 Paper Size Missing in Print Page Setup
Question details
Users are unable to locate the A3 paper size option in their print setup menu, despite having an A3-capable printer installed.

- Product
- Printer
- Device & OS
- not provided
- Scenario
- Attempting to format or print a document in A3 size from the print setup dialog.
- Observed behavior
- The A3 paper option is completely missing from the print settings dropdown, leaving only smaller options like A4 or Letter available.
Verify that your physical printer supports A3 printing and that the correct printer model is selected as the active device in your print dialog.
Create a Custom A3 Paper Size
Manually add A3 dimensions to your printer properties if the default option is missing from the list.
If the printer driver supports it, you can manually define the A3 paper dimensions in the printer preferences. This bypasses the missing default option and allows you to print large formats immediately.
Open the document you want to print, go to the Print menu, and ensure your A3-capable printer is selected.
Click on the 'Properties' or 'Preferences' button located next to your selected printer name.
Go to the 'Paper Quality' or 'Paper/Quality' tab, and click on 'Paper Options' or the 'Advanced' button.
Choose 'Custom Paper Size', enter the standard A3 dimensions (297 x 420 mm or 11.69 x 16.54 inches), name the profile 'A3', and click 'Add' followed by 'OK'.

Reinstall or Update Printer Drivers
Fix driver glitches that prevent standard paper sizes like A3 from displaying in the settings.
Print A3 Documents Seamlessly with WPS Office
WPS Office provides comprehensive page layout controls, allowing you to easily format, preview, and print documents in A3 size. It fully supports custom paper configurations and integrates flawlessly with your existing printers.
- 1. Open Your Document: Launch WPS Office and open the document, spreadsheet, or presentation you wish to print.
- 2. Set Page Layout to A3: Navigate to the 'Page Layout' tab on the top ribbon, click on 'Size', and select 'A3' from the drop-down list.
- 3. Access the Print Menu: Click on 'Menu' and select 'Print', or simply press Ctrl+P on your keyboard to open the print dialog.
- 4. Print the Document: Select your A3-capable printer from the list, review the print preview to ensure correct formatting, and click 'Print'.

Frequently Asked Questions
What are the exact dimensions of A3 paper?
A3 paper measures 297 x 420 millimeters, which is equivalent to 11.69 x 16.54 inches.
Why did the A3 paper option suddenly disappear from my printer?
This issue is frequently caused by operating system updates, corrupted printer drivers, connectivity issues (like a faulty wireless connection), or accidentally switching the default printer to a different model that does not support A3 printing.
Can I print an A3 document on an A4 printer?
You cannot physically print on A3 paper using an A4 printer due to hardware limitations. However, you can use the 'Fit to Page' or scaling options in your print settings to shrink the A3 document so it prints fully onto an A4 sheet.




