1. WM > Tools > Options > Advanced Tab > Maintenance and put a tick in ‘Empty messages………..’.
2. WM > Create Mail > start typing the name and select from a drop down list.
3. Windows Mail auto-completion doesn't use the Contacts list (address book). Instead, it uses a separate list of the last 29 addresses you sent messages to. That list is stored in the registry and is not easy to understand or edit. Names can be partially recognized by right-clicking the identifier (a-z, etc.) then clicking Modify. They are stored in the registry key HKEY_CURRENT_USER\Software\Microsoft\Windows Mail\Recently Used Addresses.
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