---
title: "Unknown Document Fill Icon | Free Download PNG & SVG | Outlined Fill - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/unknown-document-fill--29980
canonical_url: "https://www.streamlinehq.com/icons/download/unknown-document-fill--29980"
summary: "Sharp solid icon of a filled document with folded corner and question mark badge. Used for unknown files and document errors."
---

# Unknown Document Fill icon

The Unknown Document Fill icon shows a solid document with a folded corner and an overlapping circular question mark badge. Drawn in the solid style on a 24px grid, with bold filled shapes and clear negative space for crisp UI rendering. Use it for unknown files, unsupported documents, missing file states, document errors, and help prompts. It belongs to Outlined Fill - Material Symbols free set in the Google Material family.

## Preview

![Sharp solid icon of a filled document with folded corner and question mark badge. Used for unknown files and document errors.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/text-formatting/unknown-document-fill-tczpfoli9kppx5naqrub3m.png/unknown-document-fill-hfpir87kng4tho1un712yi.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Unknown Document Fill
- **Type**: Icon
- **Set**: [Outlined Fill - Material Symbols](/icons/material-symbols-outlined-fill.md) — Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.
- **Family**: [Google Material](/icons/material-symbols.md)
- **Style**: Solid, Bold, Glyph, Geometric
- **Category**: Text Formatting › Text Formatting
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Apache](https://www.apache.org/licenses/LICENSE-2.0.txt)
- **Author**: [Google](https://fonts.google.com/icons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: unknown, Document, document, Question, question, Inquiry, inquiry, Query, Guide, Information, information, Help, help, support, Support, search, FAQ, file, File

## Download

- [Download Unknown Document Fill on Streamline](https://www.streamlinehq.com/icons/download/unknown-document-fill--29980)

## Also available in other styles

- [Unknown Document Fill — Sharp Fill - Material Symbols](/icons/download/unknown-document-fill--29935.md) (Free)
- [Unknown Document Fill — Rounded Fill - Material Symbols](/icons/download/unknown-document-fill--29973.md) (Free)

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