Hi @Irwin Barcenes ,
As far as I know there is a built in feature in outlook to color code emails but not folders
Color-code email messages sent only to you
I submitted your feedback on the dedicated portal via the link below: https://feedbackportal.microsoft.com/feedback/idea/47b80343-320f-ee11-a81c-000d3a7a48db
Many features of our current products are designed and upgraded based on customers’ feedback. With requirements like this increase, the problem may well be released in the future.
You can mark my reply as an answer, so that other users in the forum who have similar problems can also vote.
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