Julia • Apologies for the delay in response!!
To navigate to a specific Azure Blob storage container from Power Query tool Please follow the below steps.
From MS Excel click on Data -->Get Data --> From Azure--> From Azure Blob Storage
Next Step is to provide Azure Blob storage container URL
To get the container url navigate to Azure Portal-->Storage account-->containers-->select the container that you want to connect to-->select the container properties as shown in below screenshot.
Copy the container url and paste this URL in the Power query.
Generate the SAS token on the container level with required permissions and expiry and copy the Blob Sas token as shown in the screenshot
From the Power Query Paste the Container URL and select Okay
Now select the shared access signature to authenticate and paste the Blob sas token generated previously and from the drop down select the Container URL to connect
Now you will only be able to see the blobs inside that container.
Kindly let us know if the above steps helped.