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Trifacta Dataprep




This section contains information on the fie formats and compression schemes that are supported for input to and output of  Cloud Dataprep by TRIFACTA® INC.

NOTE: To work with formats that are proprietary to a desktop application, such as Microsoft Excel, you do not need the supporting application installed on your desktop.


NOTE: Filenames that include special characters can cause problems during import or when publishing to a file-based datastore. Do not use the slash (/) character in your filenames.

Native Input File Formats

Cloud Dataprep by TRIFACTA® INC. can read and import directly these file formats:

  • Excel (XLS/XLSX)

    NOTE: Excel import is supported through file upload only.

    Tip: You may import multiple worksheets from a single workbook at one time. See Import Excel Data in the User Guide.

  • CSV
  • JSON, including nested

    NOTE: Cloud Dataprep by TRIFACTA INC. requires that JSON files be submitted with one valid JSON object per line. Consistently malformed JSON objects or objects that overlap linebreaks might cause import to fail. See Initial Parsing Steps in the User Guide

  • Plain Text
  • LOG
  • TSV
  • Parquet

    NOTE: When working with datasets sourced from Parquet files, lineage information and the $sourcerownumber reference are not supported.

  • Avro

    NOTE: When working with datasets sourced from Avro files, lineage information and the $sourcerownumber reference are not supported.

  • Google Sheets

    NOTE: Individual users must enable access to their Google Drive. No data other than Google Sheets is read from Google Drive.

    See Import Google Sheets Data.

For more information on data is handled initially, see Initial Parsing Steps in the User Guide.

Native Output File Formats

Cloud Dataprep by TRIFACTA INC. can write to these file formats:

  • CSV
  • JSON

  • Avro

  • BigQuery Table

Compression Algorithms

Read Native File Formats

CSV SupportedSupportedSupported
Avro  Supported

Write Native File Formats

CSVSupportedSupportedNot supported
JSONSupportedSupportedNot supported

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