Closedxml create excel file c. xlsm) files. Report. In this article we learn't how to generate simple and complex excel report using ClosedXML. This feature is useful if you work with ADO. There are several possible inputs. Bulk insert data Inserting a larger amount of data can be done using IXLCell. Includes setting values, formulas, and adding worksheets with examples. . The xls format is aproprietary binary format while xlsx is based on Office Open XML format. Methods will insert data to cells staring from the referenced cell. ugdt tey goc yaka nvtxobkx ofh wqemy njho fedlnm hkbna