You can open Object Browser present in the Excel Application i.e. open excel than ALT + F11. You will get VB Object Browser for Excel. Using this you can get the list of Methods/properties.
Alternative. Use Vbsedit tool. Its a VBscript editor.This will also give you object browser for Excel/any application which is installed on your machine.
Note: when you create an object of an excel application, than only you will see the methods/properties which can be used for that objects.