Custom EmojisSlack allows users with the Custom Emoji permission to upload and name images to use as server-wide emoji.
Special Slack EmojisThese images are direct links to Slack. Copy Image Link to see more.
Slack has many global custom emojis that work anywhere on Slack.
:black_square: Different from ⬛️ :large_black_square:
:white_square: Different from ⬜️ :large_white_square:
* originates from Github