How to remove the option of all products all at once ?

[denagpam]

Hi

I have tried to do so via csv import but everything changed to a mess

hope for your help

[abantecart]

You can try to use that in the database with SQL command to delete all from tables ac_product_options, ac_product_option_descriptions, ac_product_option_values and ac_product_option_value_descriptions

Remember to clear cache after database edits.