Extracting a Save File for Wii Titles

Dolphin Emulator

On the main form, right click Animal Crossing: City Folk, and then click "Open Wii save folder". You can now copy/edit your save file directly. The edited file must have the same name and be in the save folder.

Modded Wii

Refer to the article here: https://wiki.dolphin-emu.org/index.php?title=Ripping_Games#Retrieving_Game_Saves