On desktop (macOS and Windows), Wire for Web and mobile:
- You can access the folders view by selecting the folder icon on this icon at the bottom of your contact panel.
- Your conversations will be organized by groups and contacts.
- Select the little arrow that appears in front of the folder to expand/reduce the conversation list of that folder.
- To go back to the chronological view, select the conversations icon.
See also this video.
On Android:You cannot acces folders at the moment on Android devices. The feature will be available again during 2023.