Bottom Line: It is 100% safe to clear DrawingHistory cache folders in AutoCAD. AutoCAD caches drawing revision diff snapshots for cloud storage comparison.
What is AutoCAD DrawingHistory?
Located at %LocalAppData%\Autodesk\AutoCAD\<Version>\<Language>\DrawingHistory, AutoCAD stores local cached snapshots used by the DWG Compare tool.
How to Clear DrawingHistory Cache
rmdir /s /q "%LocalAppData%\Autodesk\AutoCAD\R24.2\enu\DrawingHistory"
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