Modified 28 November 2021
See here how to get your eMondrian XMLA service address.
In this example an address is
http://192.168.100.4:8080/emondrian/xmla
Open Excel, select the Data tab, then Get Data -> From Database -> From Analysis Services.
Paste address of Mondrian XMLA service as Server name and click Next.
Then choose a cube and click Finish. The PivotTable with cube data will appear.