"addin.XLL is in a different format" issue, cannot open the xll I created by myself...

Why does my c++ xll fail to open when it is linked to another dll?...

In the Excel XLL SDK, why is xlfRegisterId failing when called from a user defined function?...

Convert ASCII character to x11 keycode...

How to set cell values using Excel12v C interface...

Excel AddIn installed and uninstall event...

Excel DNA XLL Config - Setting Comments, Description and Company...

Plugin development for Excel...

Excel C API: Is there an Excel v4.0 macro function to test if a sheet is hidden?...

Migrated Excel add-in invoke of XLL UDF receives HRESULT on error instead of Error...

How can I ensure that an Addin / xll is 'packaged' with C# programmatically created Excel wo...

Excel Add-in: Assignment in for loop causes segmentation fault but line-by-line assignments work. Wh...

Can an Excel xll function indicate that the return value should be displayed as a date and not a num...

Parameter help string loses last character in Function Wizard (C++ XLL)...

Calling Specific Win32 API from Delphi - Why do Exceptions Fly Without an "asm pop..."?...

Create installer For Excel DNA Add-In using Advanced Installer...

XLL is "not a valid add-in" compilation with Platform Toolset Visual Studio 2019...

Unpack contents from Excel .XLL file built with Excel-DNA...

How can I specify that an XLL function should spill?...

How to access range selected in excel through ExcelDNA in C#?...

C++ Excel Add-in loading error: XLL file is loaded by Excel as text file...

Returning unicode string from XLL function...

Why do I get a Heap Corruption when resizing a vector from inside a dll?...

Excel 64bit .xll add-in installation silently fails...

Receive a matrix from excel in c++ xll, modifying it and returning it...

XLL add-in Development - Excel SDK function issue...

Calling an xll UDF from VBA...

Can I run Excel from a .cmd script with all macros enabled?...

Build an add-in and UDF for all the Excel versions...

MS Excel SDK issue: Can't use ToolTip in Tree-View control in XLL add-in...