https://forums.autodesk.com/t5/autocad-forum/saving-problems-dropbox/m-p/5758234#M318220 &gt;&gt;&gt;...it is for sure a Dropbox issue- ...&lt;&lt;&lt;<BR />Time to contact DROPBOX for assistance then. Nothing you can do about it in AutoCAD. Wed, 05 Aug 2015 16:34:20 GMT pendean 2015-08-05T16:34:20Z