If you want to send a form letter to a specific group of customers, first select the accounts.

1. Go to Base > Accounts > Search >  Accounts.
2. Select your target group via category, keywords, postcodes etc. and click on  Search (Searching for accounts)
3. Eine Liste mit allen den Kriterien entsprechenden Adressen öffnet sich.
4. Right-click to open the context menu to further refine the list via filters, if required.