https://forums.autodesk.com/t5/autocad-forum/linked-excel-files-causing-crash-in-autocad-2015/m-p/5593240#M333040 <P>My company recently upgraded to Autocad 2015 along with Office 2013. I am having an issue with linked Excel files causing a Fatal Crash in Autocad when opening the drawing where they are linked.&nbsp; We still save our Excel files as .xls.&nbsp; When opening a drawing with the linked files, a download box will pop up showing the files loading into the drawing.&nbsp;&nbsp;</P><P>&nbsp;</P><P>Would saving the Excel files as .xlsx files solve this problem?&nbsp;</P><P>&nbsp;</P><P>Thanks in advance.</P> Wed, 15 Apr 2015 14:45:18 GMT Anonymous 2015-04-15T14:45:18Z