> For the complete documentation index, see [llms.txt](https://docs.magecomp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.magecomp.com/magento-2-mobile-login-extension/copy-mobile-numbers-of-existing-customers.md).

# Copy Mobile Numbers of Existing Customers

<figure><img src="/files/CbNtAZuGbO7YD9xpq85H" alt=""><figcaption></figcaption></figure>

This feature will help the store owner to copy all their existing customer’s phone numbers from default Magento phone number field to our extension mobile number field.