---
title: "Folder Warning Icon | Free Download PNG & SVG | Ultimate Light"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/folder-warning--8477
canonical_url: "https://www.streamlinehq.com/icons/download/folder-warning--8477"
summary: "Clean line icon of a folder outline with a warning triangle and exclamation mark. Used for file alerts and errors."
---

# Folder Warning icon

The Folder Warning icon shows a folder outline paired with a warning triangle and exclamation mark. Drawn in the line style on a 24px grid with a 1px stroke for airy, detailed clarity. Use it for file warnings, upload errors, document validation, storage alerts, and security notifications. It belongs to Ultimate Light set in the Ultimate family.

## Preview

![Clean line icon of a folder outline with a warning triangle and exclamation mark. Used for file alerts and errors.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/folders/folder-warning-0j6ga95aikxt87ucffzidoj.png/folder-warning-1wmxki0ylaacc9noagfu28.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Folder Warning
- **Type**: Icon
- **Set**: [Ultimate Light](/icons/streamline-light.md) — Designed by 8 expert designers. Light style features 1px stroke with intricate details, airy design, and generous spacing. Perfect for UI and illustrative elements.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Line, Light, Stroke
- **Category**: Files Folders › Folders
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: folder, warning, alert, error, risk, important, notification, danger, data, bug, storage, directory

## Download

- [Download Folder Warning on Streamline](https://www.streamlinehq.com/icons/download/folder-warning--8477)

## Also available in other styles

- [Folder Warning — Ultimate Colors](/icons/download/folder-warning--19814.md) (Pro)
- [Folder Warning — Ultimate Bold](/icons/download/folder-warning--7746.md) (Pro)
- [Folder Warning — Ultimate Regular](/icons/download/folder-warning--9208.md) (Pro)
- [Folder Warning — Ultimate Duotone](/icons/download/folder-warning--15975.md) (Pro)

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