How to Resize Drawing Area in Illustrator?

To resize the drawing area (Artboard) in Adobe Illustrator, you can use the Artboard tool and its associated options.

Resizing Artboards Using the Artboard Tool and Options:

Select the Artboard Tool: Find the Artboard tool in the Tools panel (it looks like a rectangle with corner brackets). You can also activate it by pressing Shift + O.
Select the Artboard: Click on the artboard you want to resize. A bounding box will appear around it.
Resize Directly:
- Click and drag the handles (small squares) on the bounding box to manually resize the artboard.
Use the Artboard Properties Panel:
- With the Artboard Tool still selected, look for the "Properties" panel (Window > Properties if you don't see it).
- In the Properties panel, you'll find options to change the Width (W) and Height (H) of the selected artboard. Enter the desired dimensions.
- You can also change the Artboard's name in this panel.
Using the Artboards Panel:

Go to Window > Artboards to open the Artboards panel.
Double-click the name of the artboard you wish to resize. This will open the Artboard Options dialog box.
In the Artboard Options dialog box, you can modify the Width and Height directly. You can also choose from a preset size from the "Preset" dropdown menu (e.g., A4, Letter).

Constrain Proportions: Hold down the Shift key while dragging a handle to maintain the artboard's aspect ratio.
Resize from Center: Hold down the Alt (Option on Mac) key while dragging a handle to resize the artboard from its center.
Moving Artboards: With the Artboard tool selected, you can click and drag an artboard to reposition it within the Illustrator workspace.

By using these methods, you can precisely control the size and positioning of your artboards in Adobe Illustrator.