How to verify an image was created with alpha off?

I am seeking an way to verify in the Image Editor that an existing image, which was created to receive a baking output, was created with alpha turned off. Is there a way?

The baking is being done for an object to be uploaded into Second Life, and OpenSim grids, where alpha for the object is undesirable.

Blender version is 2.90.1

HERE…

With an Alpha, On…you will get the Transparent Background…If Made that way…
When it Does not have an Alpha Channel…IE: No Transparency Value…when you select the Alpha Channel on the Right the image will go Pure White…

Thank you :slight_smile:
Is there a way to remove an alpha channel from an image that has one?