Application.RegisterXLL method (Excel)

Loads an XLL code resource and automatically registers the functions and commands contained in the resource.


expression.RegisterXLL (FileName)

expression A variable that represents an Application object.


Name Required/Optional Data type Description
FileName Required String Specifies the name of the XLL to be loaded.

Return value



This method returns True if the code resource is successfully loaded; otherwise, the method returns False.


This example loads an XLL file and registers the functions and commands in the file.

Application.RegisterXLL "XLMAPI.XLL"

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