i am new to macro hence i need your help
i have mote than 3000 csv files in one folder ie in d:\re
I want to change name of those files
I also have one excel file containing OLD and NEW names in colomun A and B
like
A, B
Old Name, New Name
asd, bu_09943_n
sdc ,BU_43434_b
lt b ,u_22222_n
mm...