PDF Conversion Issues

How to Fix Acrobat Slowing Down Microsoft Word During PDF Conversion

Phi Hung VoPhi Hung Vo Oct 28, 2026 869 views

Question details

Microsoft Word experiences significant slowdowns or lag when using Adobe Acrobat to convert PDF files into DOC format.

How to Fix Acrobat Slowing Down Microsoft Word During PDF Conversion
Product
Adobe Acrobat / Microsoft Word
Device & OS
Older Windows system
Scenario
Converting a PDF file to a Word document (DOC) using Adobe Acrobat.
Observed behavior
Microsoft Word becomes unresponsive, sluggish, or extremely slow during and after the PDF to DOC conversion process.
Before you start

Ensure you have saved and closed any open documents in Microsoft Word to prevent data loss in case the application freezes or crashes during the troubleshooting process.

Solution 1Recommended

Optimize System Resources and Update Software

Freeing up memory and ensuring your software is up to date can resolve performance bottlenecks on older Windows systems.

PDF conversion requires significant processing power and memory. On older machines, running multiple applications simultaneously can starve Acrobat and Word of the resources they need to perform conversions smoothly.

1
Close background applications

Close all unnecessary applications and browser tabs running in the background to free up RAM and CPU resources for the conversion.

2
Update Adobe Acrobat

Open Adobe Acrobat, go to "Help" in the top menu, select "Check for Updates," and install any available software updates.

3
Update Microsoft Word

Open Microsoft Word, navigate to "File" > "Account" > "Update Options," and click "Update Now" to ensure you have the latest performance patches.

4
Restart and retry

Restart your computer to clear the system cache, then attempt the PDF to Word conversion again.

Optimize System Resources and Update Software
Resource Management: If your computer has less than 8GB of RAM, it is highly recommended to perform conversions with no other programs running.

Convert PDFs to Word Smoothly with WPS Office

Skip the heavy processing loads of Acrobat and Microsoft Word. WPS Office features a built-in, lightweight PDF to Word converter that runs smoothly even on older Windows systems, ensuring accurate formatting without the lag.

  1. 1. Launch WPS Office: Download and open WPS Office, then click on the "PDF" tab in the main dashboard.
  2. 2. Open your PDF: Locate and open your target PDF file within the WPS PDF reader.
  3. 3. Select PDF to Word: Navigate to the "Tools" tab at the top and click on the "PDF to Word" button.
  4. 4. Adjust settings: Choose your desired conversion settings, such as the specific page range and the output destination folder.
  5. 5. Start conversion: Click "Start" to quickly convert the document to DOC or DOCX format without slowing down your computer.
Lightweight design optimized for fast performance on older Windows systemsBuilt-in PDF to Word converter requires no bulky third-party pluginsHigh compatibility with Microsoft Word (.doc, .docx) formatsPreserves original PDF layouts, fonts, and formatting accurately
microsoft office alternative - wps office

Frequently Asked Questions

Why does converting large PDFs use so much computer memory?

PDFs with high-resolution images, complex vector graphics, or embedded fonts require significant computational power to render and translate into editable text formats like Word. This process can quickly consume available RAM on older systems, leading to slowdowns.

Can I convert PDF to Word without using Adobe Acrobat?

Yes, you can use built-in tools in modern Office suites like WPS Office, which natively supports fast PDF to Word conversion. Alternatively, you can utilize online conversion services that process the file on cloud servers rather than relying on your local machine's hardware.

Will disabling the Acrobat add-in in Word stop me from saving documents as PDF?

No. Disabling the COM add-in typically just removes the dedicated Acrobat ribbon in Word. You can still save or export your Word documents as PDFs using Word's native "Save As" or "Export" features.

How much RAM is recommended for smooth PDF to Word conversions?

While basic text-only conversions can run on 4GB of RAM, having at least 8GB of RAM is recommended for converting large or complex PDF files smoothly without causing other applications to lag.