Getting Started with Spreadsheet This guide is meant to get you started using Spreadsheet. By the end of it, you should be able to read and write Spreadsheets. Reading is easy! First, make sure all that code is loaded: require 'spreadsheet' Worksheets come in various Encodings. You need to tell Spreadsheet which Encoding you want to deal with. The Default is UTF-8 Spreadsheet.client_encoding = 'UT