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Steps-to-Take:
1) In the lower left corner of your desktop select the Start menu, then select Settings.
2) On the Settings page, select Apps and then Default Apps.
3) From here you can select which default you want set, and then choose the app.
4) For Example; you may want your .pdf files, email, or music to automatically open using an app other than the one provided by Microsoft. To choose default apps by file type. Scroll down and select “Choose default apps by file type”.