Edge does not save preferences when opening documents

Issue: Edge does not save preferences when opening documents
Applicable browsers: Microsoft Edge

Description

Every time you open a document, in your Desktop app, you will be asked if you want to open your application:
Open document prompt, without a preference setting

Solution/workaround

There is no graphical user interface to set your preference. You can however get Edge to ask for your preference and instead of the above prompt you will get this prompt, where you tick the checkbox, if you do not want to be prompted again:

Open document prompt, with a preference setting

Following these steps to make this setting:

  1. Open your computer’s “Registry Editor” (click on the computer’s start button and type “regedit”) and start the application.
  2. Locate and then click the following registry sub-key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Edge
    Note that if the key is not created just create it with the above syntax.
  3. Right-click the “Edge” key and select “New”, and then “DWORD (32-bit)”:
    Right-click the “Edge” key and select “New”, and then “DWORD (32-bit)
  4. Type “ExternalProtocolDialogShowAlwaysOpenCheckbox”, and press the “Enter” key on your keyboard:
    Type “ExternalProtocolDialogShowAlwaysOpenCheckbox”, and press the “Enter” key on your keyboard
  5. Right-click the “ExternalProtocolDialogShowAlwaysOpenCheckbox” value and select “Modify…”:
    Right-click the “ExternalProtocolDialogShowAlwaysOpenCheckbox” value and select “Modify…”
  6. In the “Value data” field, type “1” and then click on the “OK” button:
    In the “Value data” field, type “1” and then click on the “OK” button