Find duplicate SKUs and article numbers in CSV

Offering · from RUB 990 · done in 3 days · IT help · Working languages: Russian, English · machine translation from Russian I will check one agreed CSV catalog: find duplicate SKUs or article numbers, empty values, key conflicts, and generate a safe CSV report with problem rows. The input file is not modified; customer data is only transferred after agreeing on a secure method. Volume limits and encoding requirements will be fixed.