Если знаете букву, на которую начинается нужное расширение - выберите ее.

.CONTACT расширение

Расширение формат файла «.contact»
Тип файла Windows Contact File
Разработчик Microsoft
Категория Файлы данных

Описание формата файла

Contact file created by Windows Contacts, a built-in contact management program included with Windows Vista and Windows 7; contains information about a person or organization, including name, picture, email address, phone number, home and work addresses, professional titles, and family members; located in the Windows "Contacts" folder for each Windows user.

Contact files are named using their "Full Name" field, e.g. contact with Full Name "John Doe" is stored in the file "John Doe.contact." The contact picture is displayed as the file icon in Windows.

Contact files are automatically referenced by the built-in Windows Mail email program.

Программы, которыми можно открыть файл .CONTACT

Windows
Microsoft Windows Contacts Описание
Microsoft Windows Live Mail Описание
Microsoft Windows Mail Описание