Error: 'Microsoft Office has identified a potential security issue. Microsoft has blocked macros from running because the source of this file is not trusted.'
VBA macros are a common way for malicious actors to gain access to deploy malware and ransomware. Therefore, to help improve security in Office, we’re changing the default behaviour of Office applications to block macros in files from the internet.
With this change, when users open a file that came from the internet, such as an email attachment, and that file contains macros, the following message will be displayed:
Please see the following link for more information.