O2 (Animated)

Letter O centered inside a gray square border.
Free for your Discord server

What does the O2 emoji mean?

A classic, bold letter O encased in a sleek, minimalist square frame.

This emoji features a stylized, blocky letter O, reminiscent of early computer interface icons or classic gaming typography. It is frequently used in Discord servers to denote a neutral response, a placeholder for a reaction, or as part of custom text-based emotes and server branding.

When to use it

  • Acknowledging a message with a simple reaction
  • Labeling channels with a clear letter icon
  • Creating custom text strings in chat headers
  • Representing the letter O in server games

Part of these collections

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How to add this emoji

Add to Discord
  1. Click Add to my server above and pick a Discord server you manage (CommunityOne must be installed).
  2. Or download the file: open Discord → Server Settings → Emoji → Upload Emoji.
  3. Give it a name and save. You need Manage Server (or Create Expressions) permission.
Add to Slack
  1. Download the O2 image.
  2. Open the Slack emoji picker and click Add Emoji.
  3. Upload the file, name it, and save.
Add to Revolt/Stoat
  1. Download the O2 image.
  2. Open Server Settings → Emojis in Revolt or Stoat.
  3. Upload the file and name your new emoji.
Add to Guilded
  1. Download the O2 image.
  2. Go to Server Settings → Emotes in Guilded.
  3. Upload the file and give it a name.