The Microsoft MonthView Control 6.0 (MSCOMCT2.OCX) is a 32-bit legacy ActiveX control requiring the VB6 Common Controls package, with installation involving placing the file in System32 or SysWOW64 and registering it via regsvr32 . It is not compatible with 64-bit Office, and its registration is necessary for functionality in VBA environments. For official installation files, visit the Microsoft Download Center .
You should see: "DllRegisterServer in MSCOMCT2.OCX succeeded."
: Once installed, it provides a simple, intuitive calendar for date selection, far superior to basic text validation. Compatibility Issues : This control is 32-bit only
Alt+F11 to open VBA Editor.Tools → Additional Controls.