Use Excel's Get & Transform (Power Query) experience to connect to a Hadoop Distributed File System (HDFS).
Click on the Data tab, then Get Data > From Other Sources > From Hadoop FIle (HDFS). If you don't see the Get Data button, then click New Query > From Other Sources > From Hadoop FIle (HDFS).
In the Power Query ribbon tab, select From Other Sources > From Hadoop File (HDFS).
In the Hadoop Distributed File System dialog box, enter a Server Name.