Returns the LanguageSettings object, which contains information about the language settings in Microsoft Excel. Read-only.
expression.LanguageSettings
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example returns the language identifier for the language you selected when you installed Microsoft Excel.
Set objLangSet = Application.LanguageSettings
MsgBox objLangSet.LanguageID(msoLanguageIDInstall)