Currently there is no Excel file format in Snowflake. Although Excel file cannot be natively loaded to Snowflake from Azure Blob Storage using copy into or snowpipe, it can be ingested using Snowpark with Python using pandas library.
Data Lake Architecture
Data Lake allows to store big data volume that can be used by data scientists and data analysts. Well-Designed Data Lake Architecture is extremely important because it can address many business requirements not met in Data Warehouse solutions.