PDF Conversion Issues

How to Reduce Large PDFs Created from Microsoft Word

Algirdas JasaitisAlgirdas Jasaitis Nov 10, 2026 869 views

Question details

The user wants to reduce the file size of PDF documents that were created or converted from Microsoft Word using Acrobat XI.

How to Reduce Large PDFs Created from Microsoft Word
Product
Microsoft Word / Adobe Acrobat
Device & OS
not provided
Scenario
Converting Word documents containing images, fonts, and hyperlinks into PDF format.
Observed behavior
The resulting PDF files are unusually large due to high-quality preservation settings in the Acrobat PDFMaker add-in.
Before you start

Before adjusting compression settings, save a backup copy of your original Word document and identify if the file contains large, uncompressed images that might be causing the size inflation.

Solution 1Recommended

Adjust Acrobat PDFMaker Preferences in Microsoft Word

Modify the conversion settings within the Acrobat Word add-in to prioritize a smaller file size over maximum image quality.

Acrobat PDFMaker often defaults to 'Standard' or 'High Quality Print' settings, which preserves high-resolution images, bookmarks, and fonts, resulting in larger files. Changing this to a minimal file size profile significantly reduces the PDF footprint.

1
Open Acrobat Preferences

Open your Word document and click on the 'Acrobat' tab on the top ribbon, then select 'Preferences' to open the Acrobat PDFMaker Settings dialog.

2
Change Conversion Settings

In the Settings tab, click the 'Conversion Settings' dropdown menu.

3
Select Smallest File Size

Change the setting from 'Standard' to 'Smallest File Size' to apply aggressive compression to the document's elements.

4
Export the PDF

Click 'OK' to save the preferences, then click 'Create PDF' to generate the newly compressed document.

Adjust Acrobat PDFMaker Preferences in Microsoft Word
Review Display Quality: Using the 'Smallest File Size' setting will downsample images. Review the output PDF carefully to ensure the print and display quality remains acceptable for your specific needs.
Built-in PDF Compressor

Compress PDFs Easily with WPS Office

WPS Office provides built-in PDF tools that allow you to convert Word documents to PDF and compress existing PDF files effortlessly, giving you fine control over file size and quality without needing expensive Acrobat subscriptions.

  1. 1. Open PDF in WPS Office: Launch WPS Office and open your large PDF file.
  2. 2. Access PDF Compressor: Navigate to the 'Tools' tab on the top ribbon and select 'Compress PDF'.
  3. 3. Select Compression Level: Choose your desired compression level from the options provided, such as 'High Compression' or 'Normal', to balance size and quality.
  4. 4. Compress and Save: Click the 'Compress' button and save the optimized file to your computer.
Directly export Word documents to highly compressed PDFsBuilt-in PDF compressor with customizable quality and size levelsFully compatible with Microsoft Word (.docx) and PDF formatsLightweight, fast, and free to use for standard daily tasks
microsoft office alternative - wps office

Frequently Asked Questions

Why are PDFs exported from Microsoft Word so large?

PDFs can become bloated if the original Word document contains high-resolution images, embedded fonts, and complex formatting. Exporters like Acrobat PDFMaker preserve these details by default to maintain print quality, resulting in larger file sizes.

Does reducing PDF size affect document image quality?

Yes, aggressive compression reduces file size primarily by downsampling images and removing hidden data. If you need the PDF for high-quality professional printing, you should use moderate compression to balance size and visual clarity.

Can I reduce the PDF size without Adobe Acrobat?

Absolutely. You can use the 'Compress Pictures' feature within Word before saving as PDF, use Word's native 'Minimum size (publishing online)' save option, or use built-in PDF compression tools available in alternative software like WPS Office.