Is DESelect Segment case sensitive?

case sensitivity defines whether uppercase and lowercase characters are treated as distinct or equivalent deselect segment, like salesforce marketing cloud, is not case sensitive in the filter values used inside a selection and therefore does not differentiate between uppercase and lowercase characters for example, the words 'value' and 'value' would be treated as equals however, deselect segment is case sensitive when it comes to the names of the selections, or folders created in it you could have two selections/folders named "test" and "test" and they'd be treated as different selections/folders in deselect segment, you can create subfolders on the home page that have the same name as a parent folder or any other folder, but not on the same level deselect segment is also case sensitive when it comes to defining the default send relationship field in the admin panel > settings