If your .docx file is opening in Xodo but you would like to have Word as the default application, here is how to change the default file association:
1. Type Xodo in the Start menu and right click on the Xodo app icon
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2. Click Set default apps
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3. Click Choose default apps by file type
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4. Find the file extension of interest, for example, .docx, click the app beside to change the default app that is associated with this file type
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