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 ...

What are Excel add-ins? Excel add-ins (also known as Excel add-ons) are applications that extend the usability of the Microsoft Excel spreadsheet software. These tools will help you find Excel ...

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 ...

Earlier today, we learned that Anthropic has introduced a Claude-powered Excel add-in to amplify its presence in the fintech space. While that can attract customers to Excel, it is perhaps even more ...

Microsoft plans to add a feature to Office Excel that will make it harder for cyberattackers to exploit the spreadsheet application's "add-ins" function to run malicious code on a victim's computer.