🅾 Negative Squared Latin Capital Letter O

How to type Negative Squared Latin Capital Letter O on Mac / Windows / Linux?

Windows: Use the Emoji Panel (Win + .), the Character Map app, or copy/paste 🅾.

macOS: Use Character Viewer (Control + Command + Space) and search by name, or copy/paste.

Linux: In many Linux apps, press Ctrl + Shift + U, type 1f17e, then press Enter. If that doesn't work, use Character Map and copy/paste.

Microsoft Office: Type 1F17E then press Alt + X.

How to type Negative Squared Latin Capital Letter O on iOS / Android?

On iOS, long-press the globe/emoji key and search in the symbol picker, or paste the symbol.

On Android, open the symbols keyboard or use your app’s character panel, then paste.

How to add Negative Squared Latin Capital Letter O in HTML?

Best practice is to include the literal character and serve your page as UTF-8. Use numeric references (or a named HTML entity, if available) only when you need an ASCII-only representation.

<meta charset="utf-8" />
<span>🅾 symbol</span>

<span>🅾 symbol</span>

<span>&#127358; symbol</span>

<span>&#x1F17E; symbol</span>

How to add Negative Squared Latin Capital Letter O in CSS?

CSS escapes work inside the content property. This is most useful with ::before or ::after.

.symbol::after {
  content: "\01F17E";
}

<span class="symbol"></span>

How to add Negative Squared Latin Capital Letter O in JavaScript / JSON?

Use Unicode escapes in strings for a stable, language-neutral representation.

const symbol = "\u{1F17E}";
console.log(symbol);

{
  "symbol": "\uD83C\uDD7E"
}

How to add Negative Squared Latin Capital Letter O in URL / Query string?

Use percent-encoding. In JavaScript, use encodeURIComponent.

https://example.com?q=%F0%9F%85%BE

How to add Negative Squared Latin Capital Letter O in Word / Google Docs / Excel?

In Word or Google Docs, go to Insert → Symbol (or Special Characters) and search the Unicode name.

In Word, you can type 1F17E and press Alt+X to convert it.

=UNICHAR(127358)

Encoding notes

UTF-8 and UTF-16 byte sequences are listed above for developer tools, debugging, or data pipelines.