How to Create Comments Tool in Excel 2003, 2007, 2010, 2013

First, you check the Comment Tool function: Open the Review tab to verify.

Step 1: Select the cell where you want to leave a Comment, right-click, and choose Insert Comment.

Step 2:  A dialog box appears, where you can leave a Comment.

Any cell with a comment will display a red triangle in the top corner:

You can generate multiple similar comments for cells:

 Note

You can only create one comment for one cell at a time, but you can create multiple comments on cells that are similar. When creating a comment, you will also see the author's name appear above. You can also edit, delete...