Tableau Exam Desktop-Specialist Topic 3 Question 33 Discussion

According to the official Tableau documentation:

Depending on the version the extract was created in, Tableau extract files can have either the .hyper or .tde file extension. Extract files are a local copy of a subset or entire data set that you can use to share data with others, when you need to work offline, and improve performance. For more information, see Extract Your Data.

https://help.tableau.com/current/pro/desktop/en-us/environ_filesandfolders.htm