File Format & Compatibility

Fix Word Creating Incorrect PDFs from Long Documents

Guest Writer Sep 25, 2026 869 views

Question details

The user needs to resolve an issue where converting a 106-page document to PDF results in incorrect pages and formatting errors in the middle of the file.

How to Fix Word Creating an Incorrect PDF From a Long Document

Product: Word
Device & OS: not provided
Scenario: Exporting a lengthy, heavily formatted document to PDF using native Word tools like 'Save as PDF' or 'Export to PDF'.
Observed behavior: The resulting PDF contains incorrect or distorted pages in the middle of the document, and the error persists regardless of the PDF creation method used.

Before you start

Before troubleshooting, create a duplicate copy of your long document to safely test formatting changes without risking your original file's layout.

Solution 1Recommended

Isolate Problematic Pages and Fix Formatting

Identify the exact pages causing the conversion failure by exporting smaller sections of the document, then fix the underlying formatting issues.

Complex elements like section breaks, nested tables, uninstalled fonts, or floating images can sometimes confuse Word's PDF rendering engine, especially in very long documents.

Compare the original and PDF documents

Open both the Word document and the faulty PDF side-by-side to identify the exact page numbers where the formatting breaks or pages become incorrect.

Test smaller page ranges

Go to File > Export > Create PDF/XPS Document, click 'Options', and choose to export a specific page range (e.g., pages 50-60) around the affected area to see if the error reproduces.

Inspect document elements

On the problematic pages in Word, check for corrupted section breaks, overlapping tables, improperly wrapped images, or unsupported fonts, and simplify the formatting.

Isolate Problematic Pages and Fix Formatting

Tip for finding hidden formatting: Click the 'Show/Hide ¶' button on the Home tab to reveal hidden formatting marks, which makes it easier to spot misplaced section or page breaks.

Solution 2

Use Microsoft Print to PDF

Bypass Word's native 'Export' engine by using the built-in virtual PDF printer, which processes the document layout differently.

Solution 3

Update Microsoft Office

Install the latest Office updates to ensure that any known bugs related to PDF conversion have been patched.

Free Microsoft Office alternative

Convert Long Documents to PDF Seamlessly with WPS Office

If Microsoft Word continues to struggle with exporting complex or lengthy documents, try WPS Office. It effortlessly handles large files and features a robust, built-in PDF converter that perfectly preserves your original layout, fonts, and formatting.

1. Install WPS Office: Download and install the free WPS Office suite on your device.
2. Open your document: Launch WPS Writer and open your lengthy .docx file.
3. Export to PDF: Click on 'Menu', select 'Export to PDF', and save your perfectly formatted PDF document.

Highly accurate built-in PDF converter designed for complex and long document layoutsPerfect format compatibility with Microsoft Word (.docx, .doc)Free, lightweight, and fast document processing without laggingFamiliar user interface ensuring a seamless migration and zero learning curve

microsoft office alternative - wps office

Frequently Asked Questions

Why does my Word document formatting change when saved as a PDF?

This usually happens because Word and PDF viewers use different rendering engines. Complex elements like floating images, uninstalled fonts, or conflicting section breaks can fail to translate correctly during the conversion process.

How do I export only a specific range of pages to PDF in Word?

Go to File > Export > Create PDF/XPS Document. Before clicking Publish, click on the 'Options' button. Under the 'Page range' section, select 'Page(s)' and enter the specific starting and ending page numbers.

Can large tables or images break a PDF conversion?

Yes. If tables span multiple pages improperly or images are too large and have complicated text-wrapping settings, they can confuse the conversion engine, resulting in distorted or missing pages in the final PDF.

Is there a file size limit for converting Word to PDF?

While there isn't a strict file size limit, documents with hundreds of pages, high-resolution graphics, or excessive embedded fonts demand significant memory. If system resources are low, the conversion may fail or produce corrupted pages.

Document & File Issues