If you'd like to import data from a Brave (Muon) profile, select the Brave(old) from the dropdown menu of detected browsers.
How do I import data from a previous Brave profile? Check the desired settings to import and click Import.Select from the list of detected browsers you want to Import from.Select Bookmarks -> Import Bookmarks and Settings.Bookmarks can also be exported as an HTML file for use in separate browsers. There are two ways to import Bookmarks into Brave from a separate browser.