In Microsoft Excel, you can add Notes to your cells. When the cell has a note, a red indicator will appear at the corner of your cell. If you hover the cursor over the cell, the note will appear.

Did you know that you can leave notes on specific Excel cells for people to read? ... Check the box that says “Show input message when cell is selected.” Add a title (32 characters).

In a post on Microsoft's Support blog, the company warns that typing in a recent version of classic Outlook can lead to high CPU usage. The issue could cause CPU usage to spike by up to 50%, and ...

Click an Excel worksheet cell that you've linked to a drop-down list. For example, if cell E1 displays a drop-down list when you click it, click that cell to select it.