To protect your spreadsheet, Excel proposes the following options:

Some function in Excel is available only when the add-in is installed. For example, Solver or the Analysis group is not available in standard ribbons; you need to install the add-in before you can use it. See also Using Solver.

This tip describes how to add watermark text or picture to your workbook.

Sometimes you need to manage lists where the information is arranged in rows. Excel offers a simple way to work with this big data in rows.

You should display the Developer tab when you want to write macros, run macros that you previously recorded, or create applications to use with Microsoft Office programs. Do the following:

If you work with the same workbooks every day, it will be helpful to open specific workbook files automatically whenever you start Excel. Any workbooks placed in the XLStart folder open automatically.

Like a common text, any comments can be formatted: Excel represents many allows you to customize most aspects of its appearance, including color, border, and margins.

Normally, cell comments are rectangular, but you can give a cell comment any shape you want:

You can make a worksheet more visually appealing and more comfortable to read by centering text across multiple columns. Often you do this by merging and centering the merged cells, but it is not the only option.

If you are creating a chart or diagram in Excel with shapes, you might need to update the shape text automatically depending on the value in a particular cell.