Common File Stack is a duo-style Icon from Ultimate Duotone - Free set.

The Common File Stack icon shows three overlapping document sheets with rounded corners, a folded front-page corner, dark outlines, and pale blue rear layers. Drawn in the duotone style on a 24px grid with a 1px stroke, it combines colored lines and filled shapes for clear visual depth. Use it for file lists, document stacks, folders, attachments, and file-management controls. It belongs to Ultimate Duotone - Free set in the Ultimate family.