I don't really understand what are you talking about, can you explain it? Screenshots would help a lot.
Also, if you rename the title, others can also find this idea and vote for it.
Hey @jm97034! Thanks for submitting this idea, which is now open to votes (kudos) and comments. To increase its visibility and searchability, we encourage you to add a more descriptive title. This will make it easier for others to find and engage with your idea.
Hope this helps!
Modify code to allow user to hide any folder they select like many other mail programs already have had for a long time.
Modify code to allow user to hide any folders they choose just like many other mail programs have had for years.