Columns organize data in Excel, and are often used as categories with headers to sort cells. You can simply right-click on an existing column to add another column immediately before it. To add ...

Spreadsheets organize and manipulate data. Whether you keep track of your small business expenses, catalog your Warhammer 40,000 collection, or compare the best Android tablets on paper, spreadsheets ...

Microsoft Excel 2010 can convert a worksheet to a data table to help you quickly analyze your related data in formatted rows and columns. When you need to expand the table layout, apply the Home tab ...

When you enter data into a spreadsheet, you may need to make room for more. You might want to insert one or more columns to include additional data. We’ll show you how to add columns in Google Sheets, ...

In Microsoft Access, you can add records to an existing table that already as data and resize the columns that contain the fields and data, especially if there is not enough space within the columns ...

A JTable is a control you add to a Java application to display lists of data. NetBeans is a visual designer that helps programmers design the desktop forms that display on the user's desktop. You use ...

Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...