

We recommend to use the way #3 as you can set the default PDF viewer for. From "Settings>Apps>Default app>Choose default apps by file type":.From "Settings>Apps>Default apps>Set default by app":.From the right-click menu "Open with": right click a pdf file - click Choose another app - select Foxit PhantomPDF and check the option 'always use the app to open.Below are several ways to change default app. To set Foxit Reader as default, you must change the default setting via system. We are trying to find a way to break the limit from Microsoft. The reason for this change is that Microsoft has prohibited the behavior of setting default app directly within the app. You can find that the Foxit app cannot be set as default PDF viewer directly as we used to do. It is quite convenient.īut this has changed in the latest Win10 version1709.

Users click the button "Yes", then Foxit app will be set as default PDF viewer directly. In the past, when Reader is not the default viewer for PDF files, the app will prompt the msgbox as you mentioned.
