When open Excel 2016, go to the Power Pivot tab, click the Mange button to bring up Power Pivot window
In Power Pivot, click Get External Data, choose From Other Sources
Choose Microsoft Analysis Services. Click Next
Fill in the SSAS server name, then click Next,
Click on the Design button, you may get the following error
Cannot load the query designer. If you contact Microsoft support about this error, provide the following message: Could not load type ‘Microsoft.DataWarehouse.Design.IErrorReportingService’ from assembly ‘Microsoft.DataWarehouse.Interfaces, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91’..