API Post attachment of Excel file to Service Now is not allowing me to open after manually downloading attached file. Excel cannot open file “” because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.
HTTP Request Activity - POST
Attachment - File path and name (with extension) - Ex: documents/Config.xlsx
Content-type = used nothing, document/excel, multi-part
Body = Empty
Body format = application/json