Error: Ambiguous Name Detected. tmpDDE

This message might be displayed when sending a fax or printing a letter using mail merge.


  • Rename or Delete all instances of on the workstation, it will be re-created the next time you use Word, any formatting in need to be re-created.
  • In Word go to Tools/Macros and Remove the Word macro called TMPDDE.
  • Scan the computer for viruses.