PDF Conversion Issues

Fix Security Warning When Creating Fillable PDF from Word

Kushani NimanthikaKushani Nimanthika Oct 22, 2026 868 views

Question details

The user encounters a security block when attempting to convert a document into a PDF.

How to Fix Security Warnings When Converting Word Forms to Fillable PDFs
Product
Microsoft Word 2010, Adobe Document Cloud
Device & OS
not provided
Scenario
Converting a Microsoft Word 2010 document containing form fields into a fillable PDF using the Adobe Document Cloud add-in.
Observed behavior
A security warning pops up, often indicating that the security level is set to High, which interrupts or completely blocks the PDF conversion process.
Before you start

Ensure you have administrative permissions on your device, as adjusting Microsoft Word's Trust Center and macro settings may be restricted by your organization's IT policies.

Solution 1Recommended

Adjust Microsoft Word Trust Center Security Settings

Modifying macro and ActiveX settings in Word allows the Adobe add-in to process form fields without triggering high-security blocks.

Fillable forms in Word often rely on legacy tools or ActiveX controls. When exporting via third-party add-ins like Adobe Document Cloud, Word's strict security settings can misinterpret the conversion process as a malicious script execution.

1
Open Word Options

Launch Microsoft Word 2010, click on the 'File' tab in the top left corner, and select 'Options' from the menu.

2
Access the Trust Center

In the Word Options dialog box, click on 'Trust Center' in the left pane, then click the 'Trust Center Settings' button on the right.

3
Modify Macro Settings

Select 'Macro Settings' from the left menu. Temporarily change the setting to 'Enable all macros' or 'Disable all macros with notification' so you can approve the conversion process.

4
Check ActiveX Settings

Navigate to 'ActiveX Settings' and ensure they are not set to 'Disable all controls without notification'. Allow prompts for initialization if requested.

5
Save and Retry

Click 'OK' to save the settings, restart Microsoft Word, and try creating the fillable PDF through Document Cloud again.

Adjust Microsoft Word Trust Center Security Settings
Security Reminder: After successfully generating your fillable PDF, it is highly recommended to revert your Macro and ActiveX settings to their original secure states to protect your computer from potentially malicious files.
Convert Word to PDF Seamlessly

Easily Convert Word Documents to PDF with WPS Office

Bypass complex add-in errors and macro security warnings entirely. WPS Office features a built-in PDF converter that securely and natively exports your documents without relying on external cloud add-ins.

  1. 1. Open your Document: Launch WPS Office and open your Word document using WPS Writer.
  2. 2. Access the Export Tool: Navigate to the 'Tools' tab on the top ribbon and click on 'Export to PDF'.
  3. 3. Configure Settings: Choose your desired save location, select the page range if necessary, and configure export options.
  4. 4. Export Successfully: Click the 'Export to PDF' button to instantly generate your PDF file without triggering macro security warnings.
Native Word to PDF conversion without triggering third-party macro warnings.Fully compatible with Microsoft Word formats (.doc, .docx) and layouts.Includes a comprehensive built-in PDF toolkit for editing and form creation.Lightweight, fast, and completely free to use.
microsoft office alternative - wps office

Frequently Asked Questions

Why does Word show a security warning when exporting to PDF?

This occurs because the document contains elements like macros or ActiveX controls (common in legacy fillable forms). Third-party add-ins interacting with these elements trigger Word's Trust Center security protocols, which block execution to prevent potential malware.

Can I create a fillable PDF without using Adobe Document Cloud?

Yes. You can use native export features in modern office suites like WPS Office to create standard PDFs, and then use a dedicated PDF editor to overlay interactive form fields such as text boxes, checkboxes, and dropdowns.

What if my organization locks my Trust Center settings?

If 'Trust Center Settings' are greyed out or blocked by Group Policy, you will need to contact your IT administrator to temporarily lift the restriction or have them convert the file for you on an unrestricted machine.