DTS to SSIS migration
standard DTS package migration wizard is included in SQL 2005/2008
input : .dts file / package
ouput : .dtsx file / package
DTS xChange Package Migration
commercial product , mentionned in above article ,interessting to get idea’s on what to pay attention to
[UPDATE 2022]
https://www.ryadel.com/en/enable-dts-designer-sql-server-management-studio-2005-2008-how/