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 ...

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, ...

Splitting the contents of a cell into more than one column manually in Microsoft Excel would take too much time and likely result in errors. Fortunately, the program offers many ways—from built-in ...