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Corrected by Changing the Exchange Virtual Server to Form Based authentication. 
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Corrected by Changing the Exchange Virtual Server to Form Based authentication.

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keeps asking for password everythime we open a office 2007 document with the &quot;x&quot; at the end of it.<br />
I added the extensions under exchange server IIS.<br />
xlsx - application/vnd.openxmlfor<wbr />mats-offic<wbr />edocument.<wbr />spreadshee<wbr />tml.sheet <br />
<br />
We have various operating systems (XP, Vista and 7 (32/64 bit) all having the issues.<br />
<br />
We have a workaround where I have the Outlook clients using RPC over HTTP but I still would like to get this issue fixed. <br />
<br />
Best, <br />
<br />
Larry 
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keeps asking for password everythime we open a office 2007 document with the "x" at the end of it.
I added the extensions under exchange server IIS.
xlsx - application/vnd.openxmlformats-officedocument.spreadsheetml.sheet 

We have various operating systems (XP, Vista and 7 (32/64 bit) all having the issues.

We have a workaround where I have the Outlook clients using RPC over HTTP but I still would like to get this issue fixed. 

Best, 

Larry 

Opening office 2007 documents (.docx, etc..) with Exchange 2003 webmail.  keeps asking for password

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.