Letter & Email Templates, under Settings | Contact Settings, allows you to create mail merge letters and emails. You can send these documents to one individual contact or use them for a bulk mailing. These templates may be used for membership renewal letters, donation solicitations, meeting announcements, invitations, membership campaigns, etc. (Please note: there are separate documents for Donation Thank You Letters, an In-Kind Gift Thank You Letter, a Pledge Thank You Letter, and a Pledge Reminder Letter.)
PastPerfect uses document templates for mail merge letters and emails. These templates allow you to create the layout and basic text for a document, and you can insert field place holders that will populate automatically when you print.