Documents opened from public shares hosted on the Internet (such as files downloaded from file-sharing sites). Documents attached to emails that have been sent from outside the organization (where the organization uses the Outlook client and Exchange servers for email). When the file is opened from within the tenant (OneDrive for Business or SharePoint Online) of the user signed into the client, i.e., your own tenant. When the file is opened from the OneDrive location of the user signed into the client, i.e., your own OneDrive location. 
The macro will not be blocked under the following conditions:
Documents downloaded from Internet websites or consumer storage providers (like OneDrive, Google Drive, and Dropbox). This includes scenarios such as the following: It enables enterprise administrators to block macros from running in Word, Excel and PowerPoint documents that come from the Internet. This feature can be controlled via Group Policy and configured per application. Provide end users with a different and stricter notification so it is easier for them to distinguish a high-risk situation against a normal workflow. Block easy access to enable macros in scenarios considered high risk. Allows an enterprise to selectively scope macro use to a set of trusted workflows. In response to the growing trend of macro-based threats, we’ve introduced a new, tactical feature in Office 2016 that can help enterprise administrators prevent the risk from macros in certain high risk scenarios. Previous versions of Office include a warning when opening documents that contain macros, but malware authors have become more resilient in their social engineering tactics, luring users to enable macros in good faith and ending up infected. The enduring appeal for macro-based malware appears to rely on a victim’s likelihood to enable macros. To learn more about Advanced Threat Protection and other security features in Office 365, check out this blog and video. Note these are detections and not necessarily successful infections. In the enterprise, recent data from our Office 365 Advanced Threat Protection service indicates 98% of Office-targeted threats use macros. We featured macro-based malware in our Threat Intelligence report last year, but infections are still increasing.ĭespite periodic lulls, infections for the top 20 most detected macro-based malware were high over the past three months. Macro-based malware infection is still increasing To help counter this threat, we are releasing a new feature in Office 2016 that blocks macros from loading in certain high-risk scenarios. Macro-based malware is on the rise and we understand it is a frustrating experience for everyone. Office VBA + AMSI: Parting the veil on malicious macros This is part of our continued efforts to tackle entire classes of threats. 
Office 365 client applications now integrate with AMSI, enabling antivirus and other security solutions to scan macros and other scripts at runtime to check for malicious behavior.
Microsoft Purview Data Lifecycle Management.Microsoft Purview Information Protection.Information protection Information protection.Microsoft Priva Subject Rights Requests.Microsoft Purview Communication Compliance.Microsoft Purview Insider Risk Management.Risk management & privacy Risk management & privacy.Microsoft Defender External Attack Surface Management.Microsoft Defender Vulnerability Management.Azure Active Directory part of Microsoft Entra.
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