1
Click on the Emoji icon at the bottom of your message field
2
Click "Add emoji"
Have your image ready. It works best if it's square, under 128 KB and with a transparent background.
3
Click "Upload image"
4
Select your image.\
(Emoji ©️ [123RF Free Images](https://www.123rf.com/free-images/))
5
Click "Open" on Windows
6
Give your emoji a name, in lower case. If using multiple words, use an underscore(\_) to separate them.
7
Click "Save" or press Enter
8
Click "X" to close the confirmation window at the bottom right
9
To use your new emoji, click the Slack icon on the right of the emoji menu (or type its name in the search box)
10
Click on your emoji
