In my case, the step that was missing was to add the website to my list of trusted sites in Internet Explorer. That takes the list of pre-requisites to:

• Enable the WebClient service in Windows (if you're using a Windows Server environment, you need to enable the Desktop Experience feature of Windows Server)

• Add the website to the Trusted Sites list in Internet Explorer

• Make sure that you're using a 32 bit version of Internet Explorer - Windows Explorer mode isn't supported in the 64 bit versions of the browser.

In my case, the step that was missing was to add the website to my list of trusted sites in Internet Explorer. That takes the list of pre-requisites to:

• Enable the WebClient service in Windows (if you're using a Windows Server environment, you need to enable the Desktop Experience feature of Windows Server)

• Add the website to the Trusted Sites list in Internet Explorer

• Make sure that you're using a 32 bit version of Internet Explorer - Windows Explorer mode isn't supported in the 64 bit versions of the browser.

In my case, the step that was missing was to add the website to my list of trusted sites in Internet Explorer. That takes the list of pre-requisites to:

• Enable the WebClient service in Windows (if you're using a Windows Server environment, you need to enable the Desktop Experience feature of Windows Server

• Add the website to the Trusted Sites list in Internet Explorer

In my case, the step that was missing was to add the website to my list of trusted sites in Internet Explorer. That takes the list of pre-requisites to:

• Enable the WebClient service in Windows (if you're using a Windows Server environment, you need to enable the Desktop Experience feature of Windows Server)

• Add the website to the Trusted Sites list in Internet Explorer

• Make sure that you're using a 32 bit version of Internet Explorer - Windows Explorer mode isn't supported in the 64 bit versions of the browser.