It's been some time since I used Avant, but I seem to remember that I did nothing special to make Outlook the default mail program. As with Internet Explorer I set the default programs under Tools > Internet Options > Programs.
Xiaomi Mi Mix 2 review
There’s more to Finnish artist Tove Jansson than creating the Moomins
iPhone X news: Release date, price, new features & specs
Comment regarder la Coupe du monde de rugby à XIII en direct ?