This is only for technically experienced users.

• Navigate to your server WordPress installation and go to wp-content > themes > your-child-theme

  If you need to learn about child themes you can visit the WordPress Codex

• Search the functions.php file.

• Open the file with your text editor program.

• Add the following code.

add_filter('atum/list_table/column_title_length', 'atum_column_title_length');
function atum_column_title_length($length) {
	return 40;
}

• Edit the return value to set the number of visible characters in the Product Name column. (In the example the return value is “40”).

• Save the file.