Your underlying problem is that your 'datalis' field contains two data types. Approaches you might take to resolve it are discussed under
Mailmerge Data Format Problems in the
Mailmerge Tips & Tricks 'Sticky' thread at the top of this forum:
https://www.msofficeforums.com/mail-...ps-tricks.html
DDE is old technology that was superseded by OLE DB over 15 years ago. When using DDE, you will always need the "Confirm conversion at Open" option.