Yes, files are open. Note the message "This view is not currently available. Possible reasons: it may be incompatible with the current file or with the selected editing mode." This seems to be the core issue, since I can't get the outline to open using that option under preferences. Mary

Yes, whether files are open or not, the left side window that would contain the outline view is closed, with no side tab that would enable me to re-open the outline.

I accidentally turned off my outline view and cannot figure out how to turn it back on. When I try to use the Preferences option to do so, I get the following message: "This view is not currently available. Possible reasons: it may be incompatible with the current file or with the selected edit...