Adding Comments

Excel allows users to add comments to cells .
These comments appear as red triangles in the upper right hand corner of the cell.

Once the mouse is over the cell the comment appears.
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Used extensively comments provide an excellent means of documenting your spreadsheet and provides your user with easily accessible help.

You can choose to display only the red triangles or both the triangles and comments constantly.
Use the Tools - Options - View menu
setting comments

Creating a Comment

You insert comments using the Insert - Comment menu

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This will create a textbox into which you can type your comment.

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Complete the process by clicking away from the text box.