Activities

Android

Audio Video

Brand

Business Payments

Common Actions

Communication

Hardware

Home

Household

Maps

Photo Image

Privacy Security

Social

Text Formatting

Transportation

Travel

UI Actions

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Fluent UI

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Clean line icon of an open circular arc with a horizontal minus bar. Used for disable, subtract, and minimize controls.

Unknown 5

Minimal line icon of a capital A, upward arrow, and horizontal bar. Used for sorting, text tools, and list controls.

Unknown 7

Clean line icon of a circle split diagonally, with plus and minus symbols. Used for add/remove controls and adjustments.

Unknown 2

Rounded line icon of a document with a folded corner and question mark. Used for unknown files and document help.

Unknown Document

Bold solid icon of a phone with a white question mark and pill button. Used for unknown devices and device setup.

Phone Device Unknown

Clean line icon of a phone outline with a question mark inside. Used for unknown device states and support screens.

Clean line icon of two matching horizontal bars. Used for equality signs, math controls, and comparison inputs.

Unknown Med

Sharp line icon of two separated horizontal bars. Used for comparison, split layouts, and dual-panel controls.

Sharp line icon of a document with folded corner and question mark. Used for unknown files, errors, and help states.

Clean line icon of a document with a folded corner and question mark. Used for unknown files and help prompts.

Clean line icon of a document with horizontal lines and a question mark. Used for unknown files, help, and document errors.

Device Unknown

Clean line icon of a battery outline with a question mark. Used for unknown battery status and device diagnostics.

Battery Unknown

Device Unknown Fill

Minimal line icon of two horizontal rounded bars side by side. Used for menus, toggles, and interface controls.

Clean line icon of a document with a question mark in a circle. Used for unknown files and help.

Clean line icon of a rounded device with a question mark on its screen. Used for unknown devices and troubleshooting.

Rounded line icon of a battery outline with a question mark and dot. Used for unknown battery status and power diagnostics.

Clean line icon of a battery with a question mark. Used for unknown battery status and power indicators.

Sharp line icon of a battery outline with a question mark and separate dot. Used for unknown battery status.

Sharp solid icon of a document with a folded corner and question mark. Used for unknown files, document help, and file errors.

Unknown Document Fill

Minimal solid icon of two horizontal rectangular bars side by side. Used for pause controls and media playback.

Unknown Med Fill

Rounded solid icon of two horizontal pill bars. Used for equals signs, comparison controls.

Clean solid icon of a document with a folded corner and question mark. Used for unknown files, missing documents, and help.

Rounded solid icon of a document with a folded corner and question mark. Used for unknown files, file errors, and help.

Rounded line icon of a smartphone outline with a question mark. Used for unknown devices and device identification.

Rounded hybrid solid and line icon of a phone with a question mark. Used for unknown devices and support.

Sharp duotone icon of a phone device with a question mark. Used for unknown devices and phone support.

Rounded solid icon of a phone with a question mark and bottom slot. Used for unknown devices, help, and device setup.

Rounded duotone icon of a phone with a question mark. Used for unknown devices, phone support, and device identification.

Sharp flat icon of a phone with a question mark. Used for unknown devices, device identification, and support screens.

Minimal duotone icon of a phone outline with a question mark and dot. Used for unknown callers and device help.

Rounded flat icon of a phone device with a question mark and pill-shaped button. Used for unknown phone devices.

Rounded solid icon of a floppy disk with a question mark. Used for unknown devices and troubleshooting.

Clean solid icon of a rounded device with a blank screen and question mark. Used for unknown devices and troubleshooting.

Rounded solid icon of a battery with a question mark and dot. Used for unknown battery status and power diagnostics.

Battery Unknown Fill

Clean solid icon of a battery with a question mark overlay. Used for unknown battery status and device diagnostics.

Clean hybrid solid and line icon of a phone with a question mark. Used for unknown devices and support.

Rounded colored solid icon of a phone with a question mark. Used for unknown devices, phone support, and device identification.

Clean colored solid icon of a yellow phone with a question mark. Used for unknown devices and phone troubleshooting.

Rounded hybrid solid and line icon of a phone with a question mark. Used for unknown devices and device help.

Rounded gradient icon of a phone outline with a question mark. Used for unknown devices and troubleshooting.

Sharp hybrid solid and line icon of a device with a question mark. Used for unknown phones and device support.

Clean gradient icon of a rounded phone with a question mark and speaker slot. Used for unknown devices and support.

Clean neon icon of a rounded phone outline with a question mark and dash. Used for unknown devices and device setup.

Rounded neon icon of a phone with a question mark. Used for unknown device states and device support.

Rounded line icon of a phone outline with a question mark and minus sign. Used for unknown phone devices and device status.

Sharp gradient icon of a phone with a question mark. Used for unknown devices and troubleshooting.

Sharp solid icon of a battery with a question mark cutout. Used for unknown battery status and device power diagnostics.

Sharp colored solid icon of a phone with a screen, square button, and question mark. Used for unknown devices and support.

Clean flat icon of a phone with a question mark. Used for unknown devices and phone support.

Clean line icon of a document with a folded corner and question mark in a circle. Used for unknown files and help states.

The Unknown Document icon shows a sheet with a folded corner, short horizontal marks, and an overlapping circle containing a question mark. Drawn in the line style on a 24px grid so it stays clear at small sizes; use it for unidentified files, unknown document types, missing previews, help states, and file management interfaces. It belongs to Outlined Line - Material Symbols free set in the Google Material family.

<p>Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.</p>

Outlined Line - Material Symbols

<p>Material Symbols by Google is a free, customizable set of 3,300+ icons in outlined, rounded, and sharp styles. Adjustable size and color make them ideal for web, app, UI/UX, and graphic design.</p>

Unknown Document is a line-style Icon from Outlined Line - Material Symbols set.