You can modify an exiting template to better suit your needs, or use it as the basis for a new template.
You must use the second option to retain the original without changes.
To modify an existing template:
Open the Template Organizer (Click Tools - Template Organizer), and click the Map Templates tab.
Select a template from the list. (The default template used for new maps is called New Blank Map.)
Click the Modify button.
Make changes to the map template as desired.
To save the modified template
click the Save button 
or click File
- Save.
Open the Template Organizer (click Tools - Template Organizer) and click on the Map Templates tab.
Pick a template from the list.
In the Template commands group click Duplicate.
Enter the name for the duplicate template.
Under Template commands click the Modify button.
Make changes to the duplicate map template as desired.
To save the new template click
the Save button or click File
- Save.
When modifying a template you can change its description:
Click File - Properties, select the Summary tab, and enter a description of what the template is used for in the Comments field.
Save the template with the new description.
