Computer programs 61 Operating systems (Computers) 38 Business 32 Microsoft Windows (Computer file) 26 Word processing 25 Electronic spreadsheets 24 Microsoft Excel for Windows 22 Windows (Computer programs) 18 Computer graphics 16 Microsoft Windows (Computer file 8 Microsoft Office 7 Microsoft Word for Windows 7 Juvenile literature 6 Microsoft word for windows 6 Social sciences 6 Statistical methods 6 Computer software 5 Cosmography 5 Data processing 5 Earth science 5 Microsoft Access 5 Microsoft Windows NT 5 Database management 4 Internet (Computer network) 4 Microsoft Word 4 Microsoft windows (Computer file) 4 Blinds 3 Certification 3 Desktop publishing 3 Draperies 3