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Power Query Desktop (in PBI) supports Parquet input - tested in Feb'2021 release at least - but the M documentation is very brief on the options or feature limitations.
For instance, which compression algorithm is supported: gzip, snappy, any other ?
Any plan to support the same on PBI service or Excel 365 ? Specifically parquet over http, with basic authentication, as it does now in PBI desktop.
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The Parquet connector does not currently support any options.
The compression algorithms we have tested with are GZip, Snappy, Brotli, LZ4, and ZStd.