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When I try to open a document library or list with Windows Explorer, I often encounter the following error:

Your client does not support opening this list with Windows Explorer

The error happens to me on some machines, but not on others. I've experience this problem on several different set-ups, with different browsers (IE6, IE8 and IE9) and different operating systems (Windows Server 2008, Windows 7). However many of my colleagues, my clients and even sometimes I have been able to successfully use this feature on other machines.

So my question is:

What settings do I need to enable in Windows / IE to ensure that Open with Windows Explorer is available?

and related, Can I get Open with Windows Explorer to work with IE9 64-bit

(Some notes; I'm on SharePoint 2007 with Single Sign On, not integrated authentication)

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Do you get the error when you use the iexplore.exe located in \program files (x86)\internet explorer – MarkdB Apr 14 at 9:42
This does not answer the question as per the StackExchange standards. Please check How to Answer. Your response qualify for comment – Yash Saraiya Apr 14 at 9:47
This does not provide an answer to the question. Once you have sufficient reputation you will be able to comment on any post; instead, provide answers that don't require clarification from the asker. - From Review – wjervis Apr 14 at 12:35
up vote 3 down vote accepted

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:

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This fixed my problem....

1) From Internet Explorer select Tools -> Internet Options -> Security tab

2) Select Local internet -> Sites -> Advanced ->

3) Under Add this website to the zone: type https://* -> Add

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The way i made it work when after enabling WebClient and adding to trusted website the "explorer" feature was still not working, was very simple. The issue is in IE9 64-bit, Windows does not allow you to download it from the website but installs it automatically when you install 64-bit version. So the only thing you need to do is to go to start menu and just run IE9 32-version which is right under 64-bit version. It worked smoothly.

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Make sure you map the Sharepoint server... See

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The Webclient service needs to be running on the client

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I have the WebClient running (it's set to auto-start by default on Win 7 machines), so there must be more to it than just this.. any other thoughts? – Dexter Jun 23 '11 at 10:19
According to an anonymous user edit you have to tick the box that says "keep me signed in". Haven't checked this. – SPDoctor Mar 13 '13 at 17:30

The WebClient service as mentioned by @colin is indeed required. On newer versions of Windows Server you need to enable the 'Desktop Experience' Feature (Windows Server Feature, not SharePoint Feature)

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Yes - I've previously had success with enabling the Desktop Experience feature on Windows Server, although I think this is probably not sufficient in and of itself (I don't have access to a Server atm, but have not always been able to connect from servers with the desktop experience enabled) - is there anything else you must enable / install / configure to get this to work? – Dexter Jun 23 '11 at 10:20
This always does the trick for me, although I am not sure about IE 64bit as use of that browser is generally not recommended anyway. – Muhimbi Jun 23 '11 at 10:44

Sorry guys, but the story about enabling Desktop Experience feature on Windows 2008 R2 is rubbish as far as I am concerned. Read more at this blog: SharePoint WebDAV, IIS 7.5 and Windows Server 2008 R2

You actually need to remove the IIS Webdav Module so that the request gets through to SharePoint.

The prerequisites that you need the Webclient service running on your client and that the site needed to be in your trusted sites / intranet sites was something I did not test as we already had that configuration.

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One way I've managed to work around this problem is to switch from Standard View to Datasheet View and then click the Open with Explorer button.

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This is the Root Cause for the error

"Your Client Does Not Support Opening This List with Windows Explorer"

For a SharePoint folder in a document library. Make sure the Folder doesn't have any SPECIAL Character, like , " , (, ), etc., If so, please rename your folder. You will have no trouble opening the folder in windows explorer.

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