Hide extensions

Hello there! Great software (no downloadable manual though).I have the latest DOPUS version (build 9289) , but I couldn't find an option to hide all extensions just like that of the ridiculouly simple Windows Explorer. Instead, I found only an option to hide them, but only when you do it folder by folder. And it works only in Column View. Is there such an option?

Maybe save the lister format as default.

Actually, there is: