retailersoft FileHelpers.Core by: retailersoft .NET 9.0 This package targets .NET 9.0. The package is compatible with this framework or higher. 8,500 total downloads last updated 12/6/2025 Latest version: 9.0.5 FileHelpers Data Flat File CSV FixedLength Fixed Delimited Import Export More tags Open Source library for automatic formatted file read/write operations. This is a .NET 9 fork maintained by RetailerSoft.