The source – support.google.com
A card with information about archived specific metrics/parameters has appeared in Google Analytics 4 resources.
There is a list of audiences and saved studies where this indicator/metric is used. This information is needed so that users understand which components will be affected when archiving the selected indicator or metric.
It is important to note that you cannot undo archiving and restore archived data. Any of the segments or sequences that use this parameter in Analysis will not work.