1) Click on your name at the bottom left of the screen, then click on "Personal Settings".
2) Scroll to the middle of the page and add your signature
You can create a new signature from scratch or copy + paste your current email signature. You can also add colors, images, gifs and emojis.
NOTE: Be careful not to copy and paste HTML formatting from your email signature since they can cause errors.
3) Finally, click on "apply" to save.
Congratulations! You've added your email signature to all your messages in SetKeeper! π