A dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across:1  flat wall rock structures, such as bedding. dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across: 1  flat wall rock structures, such as bedding.
Another example would be the âdefault browserâ on your computer. Windows PCs come with Internet Explorer (the blue âEâ icon) as the default browser, just as Apple includes their own Safari browser as the default on their Mac computers.
In other words, they have set the default browser as IE. This means that every time you click on a link from your inbox (or outbox) it will open in a MS IE browser. Personally, I am glad to see such an article, since it is a very common complaint or question about outlook.indows 7. Type âdefault programsâ in the Start menu (bottom left of your screen) search box. This should bring up a screen that will let you select program defaults as well as default file types. Youâll want to set your favorite web browser as the default, which should force it to open your email links.