How to align all objects in the center of the artboard using Illustrator?
Is there a shortcut to align all objects in the center of an artboard instead of doing it manually?
Yes. Simply choose
Align to Artboard in the Align Panel or Control Bar.
Then click the various align buttons.
In CC, press the pop-out menu to enable the additional options. Select "Show Options"
Select the "Align To" button and choose "Align to Artboard."
After that, any objects you select and use "Align to Center" will be aligned with the center of the currently active artboard.