Hi Steve - click a second time on a particular view tab to reverse it.

So for example to change the Front view to the reverse Back view, click once on the tab labeled "Front" in the bottom toolbar to make that tab active, and then click on it a second time and it will toggle from Front to Back. Repeat that later on if you want to switch it back.

You can switch any of the 3 ortho views in this way - Top / Bottom, Front / Back and Right / Left .

- Michael