How to Change Default Paper Size to A4 in Adobe Acrobat for Android
Question details
The user needs to change the default paper size from Letter to A4 when printing PDF documents using Adobe Acrobat on an Android device.

- Product
- Adobe Acrobat for Android
- Device & OS
- Android
- Scenario
- Printing a PDF document directly from a mobile device and wanting to ensure the output aligns with A4 paper dimensions.
- Observed behavior
- The printing system often defaults to Letter size, requiring manual intervention in the print dialog to select A4 before finalizing the print job.
Ensure your Android device is connected to a printer that has A4 paper loaded, and that the appropriate print service plugin for your printer brand is installed and active on your device.
Adjust Paper Size in Acrobat Printer Options
This is the most direct method to change the paper size to A4 for a specific print job within the Adobe Acrobat app.
Adobe Acrobat relies on Android's native printing system and your specific printer's capabilities. You can easily adjust the paper size right before initiating the print.
Launch Adobe Acrobat for Android and open the PDF file you intend to print.
Tap the three-dot menu icon located in the top right corner of the screen and select 'Print' from the dropdown options.
In the Printer Options dialog that appears, tap the drop-down menu at the very top to choose your target physical printer.
Tap the downward arrow to expand the paper preferences, locate the 'Paper size' setting, and change the selection from Letter to A4.
Review any other settings such as color options or number of copies, and then tap the 'Print' button to send the document to your printer.

Configure Default Paper Size via Android Print Service Settings
Use this method if Acrobat does not retain your A4 selection and you want to attempt setting a global default paper size on your Android device.
Print PDFs Seamlessly in A4 Size with WPS Office
WPS Office offers a comprehensive, lightweight PDF reader and editor for Android. It allows you to effortlessly adjust paper sizes, customize print layouts, and print documents directly to your connected printers.
- 1. Open your PDF in WPS Office: Launch the WPS Office app on your Android device and open the PDF file you wish to print.
- 2. Access the Print Tool: Tap on the 'Tools' icon at the bottom of the screen, navigate to the 'File' tab, and select 'Print'.
- 3. Choose the Print System: Select 'System Print Service' to utilize your Android device's connected physical printer.
- 4. Set Paper Size to A4: Expand the print preferences dialog by tapping the arrow, tap on 'Paper size', select 'ISO A4', and tap the print icon.

Frequently Asked Questions
Why does my PDF default to Letter size instead of A4 on Android?
Android print services often default to Letter size based on system regional settings (especially if the locale is set to the US). You must manually select A4 in the printer properties before initiating the print job.
Can I permanently set A4 as the default paper size on my phone?
It depends on your printer's companion app or print service plugin. Some manufacturer apps allow you to set default printing preferences, including paper size, in their advanced settings menu.
What if the A4 paper size option is missing from the printer settings?
If A4 is missing, ensure you have selected the correct physical printer at the top of the dialog. If 'Save as PDF' is selected, paper size options might be limited. Also, verify that your specific printer model physically supports A4 dimensions.
Does changing the paper size to A4 affect the PDF document's original formatting?
The Android printing system will automatically scale the document to fit the A4 page. If the original PDF was formatted for Letter size, it may appear very slightly scaled or have different margins, but the core content will remain intact.




