I hope this helps   The majority of the settings found in the Clear User Data window can be found in:    For Mac: /Users/{your username}/Library/Containers/com.seriflabs.affinityphoto/Data/Library/Application Support/user/   For Windows: C:\Users\{username}\AppData\Roaming\Affinity\Photo\1.0\user\   Clear User Defaults This will clear any custom settings made within the Preferences panel. It will also reset any changes made to the Toolbar, To