Fix Word for Mac Changing Formatting When Creating a PDF
Question details
The user is experiencing unexpected formatting changes when attempting to save or print a Word document as a PDF on a Mac.

- Product
- Microsoft Word for Mac
- Device & OS
- macOS
- Scenario
- Exporting, saving, or printing an existing Word document to a PDF file format.
- Observed behavior
- The resulting PDF document has different formatting, layout, or margins compared to how the original document appears in Microsoft Word.
Ensure that your Mac's default printer is set up with standard paper sizes, as Word relies heavily on the macOS print subsystem to define page boundaries when generating PDFs.
Use the Native Export Option Instead of Printing to PDF
Bypass the macOS print dialog by using Word's built-in export or Save As features, which often produce more accurate formatting.
Since the 'Print to PDF' function routes your document through the macOS print spooler, it can apply unexpected margin adjustments based on your default printer hardware. Using Word's native export tools avoids this hardware-specific interference.
Launch Microsoft Word and open the document you want to convert.
Click on 'File' in the top Apple menu bar.
Select 'Save As...' and choose 'PDF' from the File Format dropdown menu, or select 'Export' and choose 'PDF'.
If available, select the option 'Best for electronic distribution and accessibility' (which uses Microsoft's online service for higher fidelity) instead of 'Best for printing'.

Adjust Page Setup and Printer Settings
Check your page and margin settings to ensure they match the constraints of your selected printer.
Update macOS and Microsoft Word
Ensure your system and software are fully up to date to rule out known bugs in the print subsystem.
Create Flawless PDFs with WPS Office for Mac
If Microsoft Word for Mac continues to break your document layout during PDF conversion, consider switching to WPS Office. It provides an independent, highly accurate built-in PDF converter that completely bypasses macOS print subsystem issues, guaranteeing your PDFs look exactly like your original documents.
- 1. Open Your Document in WPS Office: Right-click your original .docx file, select 'Open With', and choose WPS Office.
- 2. Review the Layout: Verify that your document's layout is perfectly preserved in the WPS Writer interface.
- 3. Export to PDF: Click on 'Menu' > 'Export to PDF' and instantly generate a perfectly formatted PDF file.

Frequently Asked Questions
Why do my fonts change when I save a Word document as a PDF on a Mac?
If you use custom or non-standard fonts that are not embedded in the document, the macOS PDF engine might substitute them with standard system fonts during conversion, which can significantly alter the layout and appearance of your text.
Can the default printer actually affect my PDF margins in Word?
Yes. Microsoft Word for Mac relies heavily on the macOS print subsystem to map out page limits. If your default physical printer has large unprintable margins, Word will force the PDF to respect those same margins, causing layout shifts.
What is the difference between 'Best for electronic distribution' and 'Best for printing' when saving as PDF?
'Best for electronic distribution' sends the file to Microsoft's secure online service to generate the PDF, which generally retains complex formatting, fonts, and hyperlinks much better. 'Best for printing' relies entirely on your Mac's local print engine.




