# Which file extension is used by packaged Helm charts?

Helm, Easy (Beginner), Charts. https://k8wiz.com/uquiz/which-file-extension-is-used-by-packaged-helm-charts

- A. .tar.gz
- B. .tgz
- C. .zip
- D. .helm

**Answer:** .tgz

**Explanation:** helm package writes <name>-<version>.tgz, a gzipped tarball of the chart directory. Chart repositories and OCI registries both store charts in this format.