Microsoft has announced that Excel 4.0 (XLM) macros will now be disabled by default to protect customers from malicious documents.

Microsoft will soon begin disabling Excel 4.0 XLM macros by default in Microsoft 365 tenants to protect customers from malicious documents.

Microsoft has disabled Excel 4.0 macros by default in the latest release of its spreadsheet software to help customers protect themselves against related security threats. That setting, released ...

These days, you can still use macros in Excel, but you need to enable the macro feature to do so. Here's how to enable (and disable) macros.

Fellow security firm Morphisec has now analyzed the malware and notes the malicious Excel files could bypass malware-detection systems because it contains "extremely lightweight" embedded macros ...