Imagine you’re working on an important Excel document, and all of a sudden, a message pops up on the screen that says, “This file cannot be previewed because of an error in the Microsoft Excel previewer.” This error can disturb your entire workflow & potentially lead to data loss if not solved promptly. In this guide, I will mention everything you need to know about this error including its common reasons and step-by-step solutions to help you fix it with less effort.