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By default, dashboards automatically expand as you add more visualizations. This means the canvas height will grow to fit the content, which can lead to unpredictable layouts, especially when viewing on different screen sizes.
To maintain a consistent layout across devices and ensure your design fits within the target screen where the dashboard will be displayed. It's a good idea to set a fixed dashboard size at the start. This gives you full control over spacing, alignment, and visual structure
Open Dashboard Settings
Click an empty area of the canvas to open Dashboard Settings in the Inspector Panel.
Set Canvas Size to Fixed
In the Layout section, set Canvas Size to Fixed.

Set Screen Size
Choose a screen size that matches your target device or choose a custom size:
Desktop Screen (1920*1080)
Laptop screen (1366*768)
Tablet screen (1024*768)
Phone screen (414*896)
Large Screen 23 (5760*2160)
Large Screen 24 (7680*2160)
Large Screen 34 (7680*3240)
Custom
Change Canvas Width and Height (Optional)
You can manually set the canvas width and height, whether you selected a predefined size or chose a custom layout.