In CStore Essentials you can update your store information such as name, address, phone, fax and administrative contacts by using the following steps:
Login to your CStore Essentials account.
On the top left next to your store name click on the Manage Account button.
To upload your store logo click on the Upload logo button or drag and drop the logo on the screen.
To update store information click on the update store info button.
to update administrative contact click on Change contact button.