Microsoft has announced plans for its 365 customers to automatically block all XLL add-in files downloaded from the internet to prevent phishing attacks relying on these types of lures. Writing on its ...

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 ...

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 Office is already a robust, feature-filled office suite. If you want to make it even easier and boost your productivity, here are seven awesome, free add-ins and apps for your downloading ...

The following samples show how to build the simplest Office Add-in with only a manifest, HTML web page, and a logo. They will help you understand the fundamental parts of an Office Add-in. For ...