File validation failedIf you encounter a "in Protected View" that indicates "
Office has detected a problem with this file. Editing this file may damage your computer. Please click to view details. , which occurs because the file is not authenticated by the file. Here is an image sample:
You can learn more about file validation failures in issues detected in Files . the file is opened using the open in Protected View option. If you encounter an indication in protected view that the file is open in a protected view. Please click to view details. , because you chose to open the file in Protected View. You can do this by using the open in Protected View option: Click the File tab. InMicrosoft Office Backstage View , click Open . On the Open dialog box, click the arrow on the open button. From the list, select Open in Protected View .
The following image shows the Protected View sample displayed after you select Open in Protected View .
How to exit Protected View.
If you must read the file without editing it, you can remain in protected view. If you know that the file is from a trusted source and you want to edit, save, or print the file, you can exit protected view. When you quit Protected View, the file becomes a trusted document. exit Protected View, edit when the yellow message Bar appears in the Message Bar , click Enable Edit . exit Protected View, edit when the red Message bar appears, click the File tab. TheBackstage view appears. Click still edit .
Important The still edit button appears inBackstage view , indicating that there are more risks in enabling editing from this mode. It is recommended that you handle this carefully and make sure that the file source is reliable and known. For more information, see " issues detected in the file ."