Excel adds comments to cells
Adding a comment to a cell helps to understand what the cell is for, what input it should have, etc. It helps with proper documentation.
To add a comment to a cell, select the cell and do any of the actions mentioned below.
Select Comments»Comments»New Comment.
Right-click the cell and select Insert Comment from the available options.
Originally, comments consisted of the computer’s username. You must modify it with the text of the cell comment.
Edit Comments: You can edit previously entered comments as described below
Select the cell where the comment appears.
Right-click the cell and select Edit Comment from the available options.
Various formatting options are available for comments. To format a comment, right-click on the cell » Edit Comment » Select Comment » Right-click on it » Format Comment. With annotation formatting, you can change the color, font, size, and more of the annotation.