Great post about OData & Powerpivot tables on Excel on MSDN"Use OData Web Services to obtain an AtomPub document""The Open Data Protocol (OData) is a web protocol that is designed for querying tabular data and provides you with an alternative to SOAP-based web services. OData builds on web technologies such as HTTP, the Atom Publishing Protocol (AtomPub), and JavaScript Object Notation (JSON) to provide access to information from different applications, services, and stores. OData uses URIs  
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