Bottom Line: It is 100% safe to delete extracted stem cache files in FL Studio if you have saved your final audio stems in your project folder.
What is FL Studio Stems Cache?
Located inside your FL Studio User Data folder (Documents\Image-Line\FL Studio\Audio\Extracted), FL Studio caches neural network audio isolation files.
How to Delete FL Studio Stem Renders
Remove-Item -Recurse -Force "$env:USERPROFILE\Documents\Image-Line\FL Studio\Audio\Extracted\*"
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