While trying to copy objects to the clipboard in AutoCAD, and the program gives you an error message that the “copy to clipboard failed”, click on the link below for a solution to resolve your issue.

https://knowledge.autodesk.com/support/autocad-civil-3d/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Copy-to-clipboard-failed-when-trying-to-copy-in-AutoCAD.html

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