Custom Slack emoji
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Names starting with 300.
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How to add it
Add :300_red_double_underline: to Slack in ~30 seconds
Fastest· One click
Install the EmojiBox Chrome extension and push :300_red_double_underline: straight to Slack from this page — no download, no upload.
Get the extensionOr do it manually
- Click Download PNG at the top.
- In Slack, open the emoji picker and choose Add custom emoji.
- Upload the file, name it 300_red_double_underline, and you're done.
