Google Search today in the year 2022 says... https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Sharepoint-does-not-open-DWG-file.html
and more at MS's user forums like https://answers.microsoft.com/en-us/msoffice/forum/all/autocad-sharepoint-integration/aad62c5c-44a7-4328-afec-1c7fbc8eb64e
HTH
and more at MS's user forums like https://answers.microsoft.com/en-us/msoffice/forum/all/autocad-sharepoint-integration/aad62c5c-44a7-4328-afec-1c7fbc8eb64e
HTH