Only Signal contacts will be shown on Signal Desktop. To update the information that is shown:
- Update contacts on Signal Android or Signal iOS.
- Make sure your mobile phone is connected to the internet.
- Go to Signal Desktop preferences or settings.
- On Mac, go to Signal > Preferences.
- On Windows/Linux, go to File > Preferences.
- On older Signal Desktop versions 1.5.2 or before, go to Signal Menu > choose Settings.