Hello @Krishna Dubey ,
Welcome to Microsoft Q&A platform.
Unfortunately, you cannot connect Azure Analysis services from Excel online and Power BI online (app.powerbi.com)
I would suggest you to vote up an idea submitted by another Azure customer.
All of the feedback you share in these forums will be monitored and reviewed by the Microsoft engineering teams responsible for building Azure.
Get & Transform (Power Query) is not supported on Excel Online.
Reference: Where is Get & Transform (Power Query)
I would suggest you to vote up an idea submitted by another customer.
Azure Analysis services is not supported in Power BI Services.
Reference: Data Sources in Power BI
Hope this helps. Do let us know if you any further queries.
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