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 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 ...

The Solver add-in for Microsoft Excel is one of the most important, so we can understand the frustrations when users cannot get it to work as they hope. In older versions of Excel, folks had to ...

Add-ins are special files that provide additional functionality. After downloading an add-in file, the Add-ins Manager must be used to install it. Add-ins files have extension .xla or .xlam (for Excel ...