Edge browser File Download Message box still appears after "AutoOpenAllowedForURLs" and "AutoOpenFileTypes" update in registry

The third issue with this approach is that a cmd window will stay open after launching an empty Word instance.

Thank you for providing the detailed information. Based on your latest feedback, I’ve tailored a concise and effective solution to address the popup warning, ensure the correct Word file opens, and close the CMD window.

Step 1: Modify openword.bat

1. Open openword.bat using Notepad.
2. Replace its contents with the following:

      @echo off
      start winword.exe "%1"
      exit
   

   • @echo off: Suppresses command display for a cleaner experience.
   • start winword.exe "%1": Launches Word with the file path passed from the URL.
   • exit: Closes the CMD window immediately after execution.
3. Save the file.

Step 2: Configure Registry to Disable Popup Warnings

1. Launch regedit with administrative privileges (press Win + R, type regedit, and select "Run as administrator").
2. Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge.
   • If the "Edge" key doesn’t exist, right-click "Microsoft" > New > Key > Name it "Edge".
3. Right-click in the right pane > New > String Value > Name it AutoLaunchProtocolsFromOrigins.
4. Double-click AutoLaunchProtocolsFromOrigins and set its value to:

      [{"allowed_origins": ["http://localhost:9080"], "protocol": "wordopen"}]
   

   • Replace http://localhost:9080 with your server’s exact URL (e.g., https://localhost:9080 if using HTTPS).
5. Click OK and close Registry Editor.
6. Restart Edge (or reboot your computer for full effect).

Step 3: Verify and Troubleshoot

1. Test by visiting: wordopen:http://localhost:9080/ebb/jsps/myDocument.doc.
   • Expected result: No popup, Word opens the correct file, and CMD closes automatically.
2. If issues persist, update Edge to the latest version (go to ... > Help and feedback > About Microsoft Edge) or add a DWORD ShowDownloadsInsecureWarningsEnabled with a value of 0 in the same registry path.

Additional Recommendation If the problem continues, it may be a built-in Microsoft security feature. I recommend submitting feedback via Alt + Shift + I in Edge, including a description and screenshot, to request further enhancements.

I hope this solution proves valuable. Should you require additional assistance, please don’t hesitate to reach out. Your satisfaction is our priority!

Hi @Zhu, Ligong,

Just checking in — I haven’t heard back from you for a while, I hope everything works out as you expected. I understand things can get busy or priorities may shift.

If you’re still experiencing the issue or need further support, feel free to jump back in at any time — I will always be here and happy to help.

Wishing you all the best with your work!

Thank you very much for your new code. The warning message is gone now but it still won't open my document. Please see the attached screenshot. I am not sure if you can use "winword.exe" to open a Word file from an url directly.

Thank you very much for your help. Instead of making a global /permanent change we only want to hide this message for our own urls/documents with auto open feature. For all other urls/documents, we want to leave as it is. Since our document now can be opened directly and correctly in Edge after registry update, there is really no point to show this message. Is there anything we can do at all?

Hi @Zhu, Ligong,

Thank you so much for your response. I really appreciate your kind words about the initial help. I’m thrilled your registry updates (AutoOpenFileTypes and AutoOpenAllowedForURLs) are working to auto-open your Word files, and I completely understand how frustrating it must be to still see that "Downloads" bar when it’s not needed. As of 11:36 AM +08, September 16, 2025, I’m here to address this for you.

I share your frustration—Edge’s security requires the bar for all downloads, with no native way to hide it just for your URLs (see Microsoft Edge Policies). Here’s a practical fix tailored for you:

• Custom Protocol Handler: Let’s bypass the bar by registering myapp: in regedit under HKEY_CLASSES_ROOT (Default: URL:MyApp Protocol, command: "C:\Program Files\Microsoft Office\root\OfficeXX\WINWORD.EXE" "%1", adjust path to your Word install) and updating your server links to myapp://yourserver/file.docx. This should work smoothly ([Custom Protocol Guide](https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform…
• Alternative: A custom Edge extension could hide it for your URLs (Edge Add-ons), though it requires coding skills and store approval.
• Feedback: I’d love your help—please submit a request via Alt + Shift + I for selective suppression (Known Issues) with a screenshot so we can improve this for you.

I know this might take some server effort, but I’m hopeful the protocol handler will solve this annoyance. Please try it and let me know how it goes—I’m here to support you every step. If it’s not ideal, share your Edge version (three dots > About) or OS (Win + R > winver), and we’ll explore further. Your input means the world to us in making Edge better!

If you find this helpful, please interact with the answer to assist others facing the same issue.

Hi @Zhu, Ligong,

I just wanted to follow up as I haven’t heard back from you in a while. I hope everything is going smoothly on your end. I completely understand that things can get busy or priorities may shift.

If you're still encountering the issue or need any further assistance, please don’t hesitate to reach out — I’m always here and happy to help whenever you need.

Wishing you continued success with your work!

Thank you very much again for helping us. It will be great if you can provide step by step instructions about how to follow "Custom Protocol Handler" you mentioned before. The link inside doesn't work. Thanks again.