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05-18-2026 06:16 AM
Hi @der ,
Most likely because spark.databricks.sql.excel.enabled is a Databricks SQL/session-level internal config, not a SparkConf setting.
This specific key appears to be read from the Spark SQL session config, so setting it after the notebook session starts works:
spark.conf.set("spark.databricks.sql.excel.enabled", "false")
But putting this in the cluster Spark config:
spark.databricks.sql.excel.enabled false
is ignored when Databricks initializes the SQL session
