---
title: "Unknown Document Fill Icon | Free Download PNG & SVG | Rounded Fill - Streamline Material"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/unknown-document-fill--32939
canonical_url: "https://www.streamlinehq.com/icons/download/unknown-document-fill--32939"
summary: "Rounded solid icon of a document with a folded corner and question mark. Used for unknown files, file errors, and help."
---

# Unknown Document Fill icon

The Unknown Document Fill icon shows a solid document with a folded corner, overlaid by a question mark and dot. Drawn in the solid style on a 24px grid, its rounded forms keep the filled silhouette clear at small sizes. Use it for unknown files, unrecognized document types, file errors, and help or file-management interfaces. It belongs to Rounded Fill - Streamline Material set in the Streamline Material family.

## Preview

![Rounded solid icon of a document with a folded corner and question mark. Used for unknown files, file errors, and help.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/unknown-document-fill-2f62f.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Unknown Document Fill
- **Type**: Icon
- **Set**: [Rounded Fill - Streamline Material](/icons/material-pro-rounded-fill.md) — Material Pro Rounded Fill variant offers filled icons with rounded corners, improving upon Google's original Material Icons with better consistency.
- **Family**: [Streamline Material](/icons/material-pro.md)
- **Style**: Solid, Bold, Glyph, Geometric
- **Category**: Text Formatting › Text Formatting
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: unknown, document, fill

## Download

- [Download Unknown Document Fill on Streamline](https://www.streamlinehq.com/icons/download/unknown-document-fill--32939)

## Also available in other styles

- [Unknown Document Fill — Outlined Fill - Streamline Material](/icons/download/unknown-document-fill--32269.md) (Pro)
- [Unknown Document Fill — Sharp Fill - Streamline Material](/icons/download/unknown-document-fill--32912.md) (Pro)

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