If you see the “The file couldn’t open in protected view” error while opening Microsoft Excel, the solutions listed in this post may help you resolve the issue ...
To learn more about these steps, continue reading. Here you need to ensure that the Open selected file types in Protected View option is selected. Then, tick all the Open checkboxes of old Word ...
Unfortunately, we all still click on Office documents emailed from “trusted” contacts, so the next line of defense is to make sure Protected View—the prompt that warns you a file originated from ...