First, click the Manage tab to access all your library templates. Note you can only edit or delete templates you have created. You are unable to edit templates created by another user and shared with you.
To begin, click Edit to make changes to one of your templates. Make your changes and click Save.
To delete a template, first remove access rights by clicking Edit; then click Show Properties and switch permissions only to yourself and click Save.
Once you've removed access rights, you're ready to delete the template. Select the template, click the Delete icon and click the Delete button to confirm.
Deleting a template is a permanent action and you won't be able to retrieve the template once you've deleted it. Also, if you gave other users access to your template when you first created it, they will continue to have access even if you delete the template, unless you remove their access rights before you delete the template.