ClickHouse supports various data formats for easy integration into any working pipeline. It provides tools for standard text formats such as CSV, JSON, and TSV, as well as custom formats like regular expressions and binary formats. The database also allows importing and exporting data in native formats, Apache formats including Parquet, SQL dumps, and specialized formats like Null format for performance testing. Additionally, ClickHouse offers features to prettify command line output, making it easier to perceive results from complex queries.