What is Quick Look?
Quick Look is a way to preview a file without opening its application.
Why use Quick Look?
It saves time.
How do you use Quick Look to open a file?
In Finder, click on a file to high light it and then double click. Presto - you see the file!
How can you customize finder tool bar to open Quick Look?
In the Finder menu, click on Edit, then customize toolbar. when Window opens, select the “eye” and it will be added to the Finder toolbar. Click on the eye to take a “Quick Look” at a file.