Learn about the XLS file format, its extension, and how it is used for project management. Discover XLS file processing, editing, and conversion with Aspose.Tasks. Automate project management workflows using C#, Java, C++, and Python to read, write, modify, and export XLS files....a format that can be easily viewed and edited using spreadsheet...programmatically export Microsoft Project (MPP), Primavera, XML , and other...