You should be able to move the saves files from OneDrive to Sims 4\saves without to many issues. \Documents\Electronic Arts\The Sims 4\saves To get saves to be recognized they need to be in the game's save folder. Due to the game not recognizing saved games saved to One Drive. Sims 4 and OneDrive do not work well together. Maybe they've been moved or saved to OneDrive? sorry you're missing your saved games.
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