[DuoList] need stuffit expander 4.0.1

[K']

i need also this software stuffit expander 4.0.1 to install other software on my powerbook duo 230 with system 7.1.

I can only find zipped copy of this software can some send to me or link to me an unzipped one?because the system say to me that it doesn't recognize the format .bin .hqx or .sit or .sea thanks a lot for your help!
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