After 30 minutes of frustration, Alex found the official PostgreSQL ODBC page: https://www.postgresql.org/ftp/odbc/versions/msi/
In Tableau, the "PostgreSQL Unicode" driver appeared. Connection worked. Dashboards loaded. postgres odbc download
Alex searched "PostgreSQL ODBC download" and clicked the first result: a generic postgresql-odbc-16.00.exe . Downloaded, installed, but Tableau kept saying "Driver not found." After 30 minutes of frustration, Alex found the
Alex had downloaded the 64-bit driver, but Tableau was running in 32-bit mode on that machine. ODBC drivers are not interchangeable between bitness. After 30 minutes of frustration