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You can block Macros and consequently, Macro viruses or Macro targeted malware files, from the Internet, from opening & running automatically in your Microsoft Office programs like Word, Excel, or PowerPoint documents using Group Policy or Registry Editor in Windows 11/10.
Office Macros are basically small bits of code written in Visual Basic (VBA), that allow you to carry out select repetitive tasks. They are useful by themselves, but many times malware writers misuse this functionality to introduce malware into your computer system.
Microsoft has disabled the Macro functioning by default. It has now set the default settings in Office to Disable all macros with notification. That is, no macro would run in Microsoft Word until you allow it to run, since the files are now open in Protected View.
Macro-based malware has made a comeback and is again on the rise. Microsoft has therefore rolled out a new Group Policy update to all Office clients on the network that blocks Internet originating macros from loading, in high-risk scenarios, and thus helps enterprise administrators prevent the risk of macros.
Read: How to remove Macro virus.
Block Macros from running in Office files using Group PolicyOffice provides a Group Policy setting that enables you to block macros from running in Word, Excel and PowerPoint files from the Internet. By default, macros in Word, Excel and PowerPoint files are enabled according to the macro warning setting. Files are identified as coming from the Internet based on the zone information added to the file by the Attachment Execution Service (AES). AES adds zone information to files that are downloaded by Outlook, Internet Explorer, and some other applications. Use the following guidelines to determine how to configure this setting if you want to block macros on Word, Excel and PowerPoint files from the Internet.
To enable this policy setting, Run chúng tôi and navigate to the following setting:
This policy setting allows you to block macros from running in Office files that come from the Internet. If you enable this policy setting, macros are blocked from running, even if “Enable all macros” is selected in the Macro Settings section of the Trust Center. Also, instead of having the choice to “Enable Content,” users will receive a notification that macros are blocked from running. If the Office file is saved to a trusted location or was previously trusted by the user, macros will be allowed to run. If you disable or don’t configure this policy setting, the settings configured in the Macro Settings section of the Trust Center determine whether macros run in Office files that come from the Internet.
Prevent Macros from running in Microsoft Office using RegistryTo prevent Macros from running in Microsoft Office using Registry, follow these steps:
Press Win+R to open the Run prompt.
Navigate to Microsoftoffice16.0 in HKCU.
Set the name as blockcontentexecutionfrominternet.
To learn more about these steps, continue reading.
Then, navigate to this path:
HKEY_CURRENT_USERSoftwarePoliciesMicrosoftoffice16.0There has been a jump in the incidence of Macro Virus, using email as well as social engineering, so you want to exercise caution and stay safe at all times!
Related read: What is Macro Virus? How to enable or disable Macros in Office, stay safe from & remove Macro Virus?
How do I stop macros from running in Office files from the Internet?There are two ways to stop macros from running in Office files from the internet – using the Local Group Policy Editor and the Registry Editor. Both methods are mentioned above, and you can follow either of them. However, you need to install the administrator templates for Office if you want to use the GPEDIT method.
How do I disable macros in Excel GPO?You're reading How To Prevent Or Block Macros From Running In Microsoft Office Files
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