This feature request is now actively being worked upon. As we move through the development process, I will post an new updates to this topic.
Please keep the votes and feedback coming in. Your feedback is shared with the feature team every month.
-WarrenIan Wright commented
Come on Microsoft. We have data governance that dictates not files should be saved locally. We need the ability to point this to Onedrive by default.
121 votesIan Wright commented
What next Microsoft? UAC to attach a photo in Word? Absolutely, ridiculous that we have to request this as a feature.