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Hiding a label
To hide a label, simply select
from the drop-down menu:This label and its sub-labels will disappear from the left menu.
Showing hidden labels
To show hidden labels, click the plus sign icon in the Labels section, then choose
:You will see all hidden labels like this:
From here, you will be able to show these labels again by clicking
from the dropdown menu:To show a hidden sub-label, you should show its parent first.