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.

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 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 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 ...

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 ...