If you often create documents based on the same content, you might benefit from using file templates. A file template can be a document of any type with the formatting or content you would like to reuse. For example, you could create a template document with your letterhead.
Create a document that you are going to use as a template. For example, you could make your letterhead in a word processing application.
Save the file with the template content in the
Open the folder where you want to place the new document.
Right-click anywhere in the empty space in the folder, then choose
Choose your desired template from the list.
Double-click the file to open it and start editing. You may wish to rename the file when you are finished.