You can create letters for cases in two separate areas - via the Add Correspondence quick link or via the Correspondence section of the case.
Go to the Correspondence section of the case and click on Add Correspondence; or
Click on the Add Correspondence quick link in the header
Select the Type of document: Letter
Select an appropriate documentation Sub Type
Choose if you will use a pre-configured Template
If using a template, find the appropriate letter by filtering in Template Groups and choosing the Template
Add a Title
Review the Body of the letter
Add any Attachments that you want to send with the letter
Click the Save as Draft button if you want the ability to edit the letter or click the Send + Complete button if you want the letter to be view only (no future edits). This will save the note; it will not be sent to anyone.