By default, all diagram sheets are set to “Free size,” but other options are available including the ability to set a custom size (up to 8,000 x 8,000 px).
When exporting a free size diagram/sheet as a PNG, the image size is limited to 8,000 x 8,000 px and will be automatically resized if it exceeds the limit.
To change your sheet size:
- Open your diagram.
- Select the “Settings” icon in the panel menu.
- Select the current size setting at the top of the menu.
- Select the desired size from the dropdown menu.
- For a custom size, select “Custom” and enter the width and height.