https://docs.loomesoftware.com/integrate-server/buildinglisolution/connectionsdatasetsfiledefinitions/connections/connectorshelp/excelfiles/index.html Introduction The ExcelFiles connector offers the most natural way to access Excel files. Simply use Excel Data Provider objects to connect and access data just as you would access any traditional database. Connection String The ExcelFile, under the Authentication section, must be set to a valid Excel file. Hugo en-US