Which of the following is NOT a method for optimizing material master data maintenance?

The method that is not recognized as a serious approach for optimizing material master data maintenance is emailing changes to the IT department. This method lacks efficiency and immediacy in the context of system updates and data accuracy. Instead of utilizing established processes within the software to manage and maintain data, relying on emails can lead to delays, potential errors, and a breakdown in communication.

In contrast, the other methods contribute significantly to optimizing data maintenance. Using mass maintenance transactions allows users to update multiple records simultaneously, which saves time and reduces the possibility of inconsistencies arising from individual data entry. Customizing material master views enables users to tailor data fields to match specific business needs, making it easier to manage and review relevant information. Automatically extending storage location data streamlines the updating process by ensuring that changes in one area automatically reflect across related records, enhancing overall data integrity and reducing manual workload.

Focusing on recognized and efficient methodologies is crucial in maintaining the integrity and accuracy of material master data, whereas informal practices like emailing are not systematic or reliable in optimizing this process.