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.

Microsoft will soon be blocking external links to blocked file types in Excel. This is part of a broader effort to reduce or disable exploits that have previously been used to infect users with ...

Microsoft has released Security Baseline v2512 for Microsoft 365 Apps with enhanced Excel and PowerPoint protections, blocking unsafe external links and legacy automation components.