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Password Protected Excel

Posted on 2014-04-11
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My entire network has a problem with opening password protected Excel files.  When the file is password protected it will not prompt for the password it will open a blank Excel (no cells).  I've tested this in several ways:

With an outside company sending me a protected file through the email.
Putting the file on a flash drive and trying to open it on my PC.
Creating a password protected file on my own desktop.

All the above are unable to be opened properly.  I thought at first it was a setting on my Symantec Endpoint Protection.  But I uninstalled it and I still have the problem.

I took a file that I created on my own desktop and I could not open it was able to be opened on another company's network.  

I'm not sure where to look in my Server (2008 R2 Standard) and the versions of Excel that we are using are 2007 and 2010.

Any ideas?
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Question by:lordzack
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RAdministrator earned 500 total points
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I don't think this has anything to do with your server, unless you have a terminal server with Office installed.

Can you confirm that files password-protected in Excel 2010 are not prompting users for a password in Excel 2007? Or viceversa?
If so, I think you should download a compatibility pack. I believe there exists one for Office 2007 (in order to better work together with Office 2010), but I can't find it right now.
This is a link to the compatibility pack for Office 2003 and previous versions:
http://www.microsoft.com/download/en/details.aspx?id=3
You could try to install it on a test machine to see if it helps at all.

If not, I would suggest to install all applicable Office updates on all machines and see if that solves/improves the problem.

Can you test and confirm which PCs created the offending files, and if files password-protected on other PCs also trigger the same problem?
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by:lordzack
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I have determined that version 2010 is causing my problems.  I cannot even open a file that I protect.  I am up to date on all updates.  All computers have the same issue on the network.
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by:RAdministrator
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OK, have you gone through your Trust Center settings? If not, disable all Protected View options in Trust Center.
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by:lordzack
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Those were already all disabled (unchecked)
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by:RAdministrator
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Is there any chance that the file location is on a network drive? Do you have folder redirection in the user profiles (so that a file saved on Desktop/in Documents/etc. would actually be placed and retrieved from a remote server)?
If there is *any* chance of that, please make sure to enable trusted network locations (and ideally whitelist the remote server, if known).
Please let us know if that applies, if not...we'll keep going.
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by:lordzack
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When I located the Service Pack 3 for Office 2007 and loaded it [http://www.microsoft.com/en-us/download/confirmation.aspx?id=27838]  it cleared up the problem.  I need to install it on all my machines but at least it is a solution.  Thank you for your help!
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by:RAdministrator
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That's good news! I'm glad you tracked it down:)
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