If Excel keeps blocking files from being inserted, chances are the file is blocked by Trust Center, or maybe the workbook or locked. In some situations, we could be dealing with a corrupted file.

Malware can exploit your computer and your private information, but only if it manages to install itself. Microsoft Excel files -- and other formats that Microsoft Office applications generate -- can ...

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 ...