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 ...

does anyone know if it is possible to write add-ins for Excel 2011 on the Mac? Preferably in C/C++/Cocoa, but almost any language would do. If so, pointers towards the SDK would also be appreciated.

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 ...

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 ...

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.

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 ...

We all can admit that Microsoft Excel is the best tool in its class, but there are ways to improve it with some cool and free Excel add-ins from the store. Some of these add-ins do basic things, while ...

Microsoft has announced that Office for iPad apps will gain the ability to use add-in apps like its desktop and web Office components; we go hands on with the updated Excel for iPad. Share on Facebook ...