It is unusual, but it sounds like word pad has overwritten Word as the default document processor.
If you open a document in Word and then save it, do you get the Word icon beside it in your 'My Documents' folder?
Dell XPS 13 9370 (2018) review
No need to scan sketches into your computer with Moleskine's new smart pen
WWDC history: Apple's product launches since 2005
Comment importer des contacts d’un iPhone à un autre iPhone ?