TYPO3 v9 has reached its end-of-life September 30th, 2021 and is not maintained by the community anymore. Looking for a stable version? Use the version switch on the top left.
You can order Extended Long Term Support (ELTS) here: TYPO3 ELTS.
Xliff Coding Guidelines¶
Language files are typically stored in XLIFF files. XLIFF is based on XML.
Directory and File Names¶
Files have the ending
Language files are located in the directory