Is it possible to make a mod in a different language from the game’s current language display its original text instead of showing “Tag Not Found”?

Grim Dawn Modding - Tutorials and Help
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Conversations.arc is a resource pack that cannot be edited as a text file. Instead, you need to unpack its contents *.cnv first, then use a tool (Quests and Conversations Extraction Tool GUI) to extract the *.txt files. Translate them and then compress them to Text_KO.arc.