You can change the name of a group conversation by following these steps:
- Click on Private Messages in the left menu and select the conversation you would like to rename;
- Click the menu button (three vertical dots);
- Select Edit title. A text field will appear where the current conversation title is located;
- Type a new name for the group conversation and press enter.
Please note: It is not possible to change the name of a group conversation on the Android app or the iOS app.