Product release and download

Tableau Prep Builder 2020.1.1

We recommend using the newest maintenance release of this version, 2021.3.1, which contains additional fixes.

Download Tableau Prep 2021.3.1

Download Link Notice

The Windows version has been removed due to an issue with certificates preventing it from being able to install correctly. For more details, please see this Knowledge Base article.

Build number

Download Tableau Prep Builder 2020.1.1

Release date

Tue, 14 January, 2020

Product support

Read more

Resolved Issues

Issue ID Description

When publishing a flow from the CLI, permission errors of insufficient privilege throw exceptions instead of showing valid error messages, necessitating technical support involvement to troubleshoot.


When trying to create a new calculated field containing an iffnull(), Prep Builder throws error "Unknown Field Name..." despite the field being present in the flow.


Error saving flow as .tfl after inserting a .tflx into an existing flow. Generic error appears "Can't save the file".


Prep Builder 2019.3.1 is unable to connect to Google BigQuery. The data does not transition to the flow screen after performing BigQuery authentication in the browser.


When running a flow containing a string filter and a left join, the following message is returned, "ERROR: non-NULL value required".


After launching a statistical file in Tableau Prep Builder 2019.2.3 this error is received, "Tableau Prep Builder stopped running because an underlying process stopped unexpectedly."


Connecting to Teradata from Tableau Prep Builder failed with the error "Unable to connect to your data because the Initial SQL parameter 'LoginUser' isn't supported"


Attempting to overwrite a published data source using Tableau Prep Builder sometimes resulted in the following error "loomTableauServerResourceBundle-VizportalPublishDatasourceExceptionMsg"

Download files