To bulk edit your SKU numbers please follow the steps outlined below.

Please select Inventory-> bulk actions-> Import file type select products-> then upload under the file type 'Update SKUs'

You can download a sample file below:

updateskusample.csv

When you update your SKU numbers in Selro this will only update the SKU reference in Selro, your listing SKU's will remain the same for any active listings to ensure stock sync still works.

Please watch the video below to see the full process.