Comment Object [Excel 2003 VBA Language Reference]
Represents a cell comment. The Comment object is a member of the Comments collection.
Using the Comment Object
Use the Comment property to return a Comment object. The following example changes the text in the comment in cell E5.
Worksheets(1).Range("E5").Comment.Text "reviewed on " & Date
Use Comments(index), where index is the comment number, to return a single comment from the Comments collection. The following example hides comment two on worksheet one.
Worksheets(1).Comments(2).Visible = False
Use the AddComment method to add a comment to a range. The following example adds a comment to cell E5 on worksheet one.
With Worksheets(1).Range("e5").AddComment .Visible = False .Text "reviewed on " & Date End With