“From here you can quickly switch or set defaults for email, maps, music, photos, video and web browser” When a program controls a file association, it will always open when you double-click that file type. Windows 10 makes it harder for third-party programs to seize control of file associations, but it’s still possible, and every time a new Windows update is released, you can easily be tricked into handing back associations to Microsoft’s choice of app, not yours.
Start fixing problems by clicking Start > Settings > Apps > ‘Default apps’. From here you can quickly switch or set defaults for email, maps, music, photos, video and web browser – just click the appropriate button and choose your desired app. Other universal changes can be made too – start by…