how do i find the response to an inquiry directed to me in communities?

The general method should you need to search again starts with your user symbol/avatar in the upper right corner of this page. Click or tap on it to see options:

Yes, "My Subcriptions" is not very intuitive but that is where to see your activity here. A note: the default setting for viewing posts is "Following." To see what you have created, uses the filter option to change the view to "Authored":

Following Allan's instructions (the first part under your avatar), and you've opened the Subscriptions page, you can add it to Safari's favorites bar. I have the Subscriptions link, and all of the places on these forums I frequent most lined up along the top.

This one: office 365 - Apple Community

Good idea! Thanks, Kurt.