104 Introduction to Microsoft Offi ce Copyright Goodheart-Willcox Co., Inc. in PDF format have all text and graphics intact, but cannot be edited by the PDF-reader software. Files can also be saved as Extensible Markup Language (XML) documents, which are used for web pages. It is also possible to save Word files into a format that can be read by OpenOffice, an open-source word-processing program. Also, Word files can be saved as plain text with the .txt extension. This is the most portable format since any other software that can read text can read this format. Launching Microsoft Excel To launch Microsoft Excel, click the Excel 2019 icon in the Start menu. Wait for the program to load and display the startup screen. Excel 2019 begins by presenting the user with the choice to open a spreadsheet, begin a new blank spreadsheet, or begin a spreadsheet based on a template. A spreadsheet is a special type of document in which data are organized in columns and rows. The individual box where a row and column intersect is called a cell. When a cell is selected, its border is thicker than normal. This is called the active cell. Text or numbers that are entered are placed in the active cell. Microsoft Excel is able to save spreadsheets in a variety of file formats. As with Microsoft Word, Microsoft Excel can save spreadsheets in a format for earlier versions of the software. Microsoft Excel can also save files in PDF, XML, and text formats. Microsoft Excel files can be saved for the OpenOffice spreadsheet function as well. Another popular format is called comma-separated values (CSV). It is the most portable format for copying spreadsheet data into other applications. Launching Microsoft PowerPoint To launch Microsoft PowerPoint, click the PowerPoint 2019 icon in the Start menu. Wait for the program to load and display the startup screen. PowerPoint 2019 begins by presenting the user with the choice to open a presentation, begin a new blank presentation, or begin a presentation based on a template. A presentation contains individual slides used to communicate information to an audience. Each slide may contain text, images, sounds, tables, or other information. The presentation is played back as a slide show. Microsoft PowerPoint is able to save spreadsheets in a variety of file formats. Files can be saved in a format for earlier versions of the software. Files can also be saved as PowerPoint Show (PPS) files, which allows sharing with others who do not have Microsoft PowerPoint. Less-popular formats for presentations include PDF, XML, and text files. Files can also be saved in the OpenOffice format. Common Features and Functions The interface of each application in a suite is similar. This is to allow a user to learn basic commands and features once instead of individually for each program. For example, each program in the Microsoft Offi ce suite GS5 Key Applications 3.12 GS5 Key Applications 3.11 GS5 Key Applications 5.1.2