Hi,
I suggest you try this method to disable the display of security warnings for a specific protocol, follow these steps:
- Click Start, click Run, type regedit, and then click OK.
- Locate the following registry subkey: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\xx.0\Common\Security\Trusted Protocols\All Applications Note In this subkey, replace "xx.0" with 12.0 for Office 2007, 14.0 for Office 2010, 15.0 for Office 2013, and 16.0 for Office 2016 and later.
- Click the All Applications subkey.
- On the Edit menu, point to New, and then click Key.
- Type the name of the protocol that you want to exclude. For example, to disable the display of a security warning for the "Notes:" protocol, type Notes:. Note Make sure that you include the colon (:) character.
- Press Enter.
- Exit Registry Editor.
Read this article about "Enable or disable hyperlink warning messages in Office programs" to get more information:
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