Create folders to help keep your chats more organized. From the three dot menu, select New folder (Figure 1):
Figure 1 New folder
Add a name to the folder and press Enter (Figure 2:
Figure 2 New folder name
The new folder will be created and will contain no chats (Figure 3):
Figure 3 Blank new folder
To add chats to this folder, navigate through your chat list and select the three dot menu on the chat you wish to add to the folder (Figure 4):
Figure 4 Three dot menu
Select Move to followed by the name of desired folder (Figure 5):
Figure 5 Move to folder
You can also drag and drop chats into a folder. Select and hold the desired chat and drag it to your folders. These will turn blue indicating you can drop a chat into them (Figure 6):
Figure 6 Drag and drop a chat
If required, you can move a chat from one folder to another, or remove it completely, where it will become a standalone chat outside of the folder (Figure 7):
Figure 7 Remove from folder
Additionally, folders themselves can also be renamed or removed as required (Figure 8):
Figure 8 Rename or remove