A new report urges Microsoft Excel users to take action to protect themselves from a dramatic rise in cyberattacks using malicious add-in files. In its Threat Insights Report for the fourth quarter of ...

Microsoft says the Excel spreadsheet software is now blocking untrusted XLL add-ins by default in Microsoft 365 tenants worldwide. The company announced this change in January with a new entry added ...

Microsoft is working on adding XLL add-in protection for Microsoft 365 customers by including automated blocking of all such files downloaded from the Internet. This will help tackle the rise of ...

A wave of cyberattacks is exploiting Microsoft Excel add-in files in order to deliver several forms of malware in campaigns that could leave businesses vulnerable to data theft, ransomware and other ...

On our terminal servers, we have a couple hundred users who are using Excel with a new OLAP tool, and we need to make sure the Excel add-in for that tool is activated for everyone ... Especially the ...