ANSWER:
PC (Uplay)
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\savegame\3539
PC (Steam)
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\savegame\4923
Playstation 4
Settings > Application Saved Data Management > Saved Data in System Storage > Assassin's Creed: Origins
Xbox One
My Games and Apps > Assassin's Creed: Origins > Menu > Manage Game > Saved Data
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