If the Office 2016 apps crash "randomly", especially when copying, pasting, or saving: check that the primary language is not something "unsupported" (such as Maori). These languages can still be used for input.
My latest blog post: Sheeple: Are they succumbing to fake news, misinformation, and propaganda. (posted 2025-09-24). My latest podcast: OJB's Podcast 2029-09-09 Kiwi Values.