Import wizard is a tool that helps in migrating the reports 
from older version of BO to a newer one. Generally, BO 6.5 
reports are migrated to DeskI or BO XI R2. Though migration 
of reports could be done manually.



Publishing wizard is used to publish or export a report 
into desired repository.

Import wizard has many uses
For coverting older version reports to new version
For creating the BIAR file
For sending or exporting the reports with in the
organization by using the cms name,user,pass word


Publishing wizard is used to publish or exprot the agnostic
documents like pdf,ppts to the infoview.

Hi,

Import wizard used to move one environment another
environment i.e development to production 

suppose u have develop universe, report then u have compress
these BIAR file after the BIAR file sent production users
then can convert to BIAR to actual files (universe, reports)
so that we can also use import wizard method.

2. Publishing wizard we can export locally reports to public
folders in CMC.