Yes you can ask about using MS Office Word.
To help get answers remember to provide info such as your version, maybe what OS you're using, and what you've attempted so far to help narrow down the focus and relevancy of answers.
To quote the close reasons:
Questions seeking product, service, or learning material recommendations are off-topic because they become outdated quickly and attract opinion-based answers.
So, in a word - no, this won't be on topic.