There are lots of macro tools here that makes work faster and efficient
Source
Request a macro
what macro?
buyer send me excel file 13 digit no. for make barcode. but file very big. can you develoo macro one click all barcode generate barcode Ean format
It's a commercial macro - but ecut can generate your barcodes:
http://macromonster.com/product/ecut-6-for-coreldraw-1-installation/