Final answer:
The Orientation button in the Alignment group is used in spreadsheet programs to angle text in a cell, saving space and enhancing readability and presentation of data.
Step-by-step explanation:
The Orientation button in the Alignment group is a feature found in Microsoft Excel and other spreadsheet applications. When you use this button, you can change how text is displayed in a cell. Specifically, the Orientation button allows you to tilt the text in different angles, either diagonally or vertically, which can help in fitting more text into a cell without increasing its width or to improve the readability of headers in a datasheet.
For instance, if you're working on a spreadsheet and want to make column headings more visible without increasing the column's width, you could use the Orientation button to angle the text so that it reads upwards or downwards. This can save space and make for a more aesthetically pleasing layout. Furthermore, using this feature correctly can make your data presentations and reports look more professional.