How to Add PDF Form Responses to an Acrobat Response File
Question details
The user is trying to process a PDF form attachment, but it fails to prompt for an Acrobat response file upon opening.

- Product
- Adobe Acrobat DC
- Device & OS
- Windows
- Scenario
- Attempting to open a PDF form attachment to aggregate or submit form data to a response file.
- Observed behavior
- The form attachment opens in Windows Viewer or Adobe Reader instead of Acrobat DC, bypassing the necessary instructions and prompts to select a response file.
Ensure that Adobe Acrobat DC is fully installed on your computer, as standard viewers like Adobe Reader or Windows Viewer do not support the response file compilation workflow.
Set Adobe Acrobat DC as the Default PDF Viewer
Changing your default PDF application ensures the system routes form attachments to Acrobat DC, triggering the required response file prompts.
By default, Windows may route PDF files to Microsoft Edge or the built-in Windows Viewer. These lightweight viewers strip out advanced features like form compilation. Setting Acrobat DC as the default handles the file correctly.
Save the PDF form attachment from your email client to a local folder on your computer, such as your Downloads or Desktop folder.
Right-click the downloaded PDF file, hover over 'Open with', and select 'Choose another app'. Select Adobe Acrobat DC from the list and check the box that says 'Always use this app to open .pdf files'.
Double-click the PDF file to open it. Acrobat DC will now launch and should immediately prompt you to select or create a response file.

Manage and Fill PDF Forms Easily with WPS Office
Avoid compatibility issues with default system viewers by using WPS Office. Its built-in PDF editor natively supports interactive form filling, allowing you to seamlessly view, complete, and extract data from PDF forms.
- 1. Launch WPS PDF: Open WPS Office on your computer and select the 'PDF' module from the main dashboard.
- 2. Open Your Form: Click 'Open PDF' or drag and drop your downloaded PDF form attachment directly into the workspace.
- 3. Fill the Form Fields: Click on the highlighted interactive fields to type your responses, select checkboxes, or choose from dropdown menus.
- 4. Save and Export: Once completed, click the 'Save' icon to preserve your data, or use the export tools to share the filled document.

Frequently Asked Questions
Why does my PDF form keep opening in a web browser?
Web browsers like Edge or Chrome often set themselves as the default PDF viewer after system updates. You must manually change your operating system's default app settings to associate .pdf extensions with a dedicated PDF editor.
Can I aggregate PDF form responses using the free Adobe Reader?
No, standard Adobe Reader lacks the advanced form compiling features needed to aggregate data into a response file. You must use Adobe Acrobat DC or another premium PDF software that supports data tracking.
How do I know if my form is a compatible response file?
A compatible form will contain interactive, fillable fields and is typically distributed by the author using a data-collection workflow. You can verify this by opening the file in Acrobat DC; if compatible, the 'Track' or 'Compile' prompts will activate.




