How to Attach/Embed Files to PDF that Will Function in All Browsers/Viewers

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I am trying to attach a .docx file to a PDF of an application. The application requires supplemental documents, the templates for which are best delivered in .docx/Word format. I have used both the attachment option in the "Edit PDF" tool and the "attach file" option in the comment tool. The end results are that the attachments work very well in Acrobat and in Firefox, but they do not funtion at all in Chrome or any other Chrome/Chromium-based browsers, like Brave or Edge. Is there a solution?