A few here.
https://learn.microsoft.com/en-us/office/vba/api/overview/library-reference/reference-object-library-reference-for-office
https://learn.microsoft.com/en-us/office/vba/api/overview/excel
https://learn.microsoft.com/en-us/office/vba/api/overview/language-reference
https://www.microsoft.com/en-us/download/details.aspx?id=40326
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