There’s a lot of stuff on a Microsoft Project screen: buttons, check boxes, fields, and so on. What do they all do, and when do you use them? The Microsoft Project Help system comes to your rescue by supplying ScreenTips and ToolTips.
A ScreenTip is a concise description of a field, check box, or option that appears in a Microsoft Project view or
dialog box. To display a ScreenTip for an item in a view, click What’s This on the Help menu,
and then click the item. When you work in a dialog box, you activate ScreenTips by clicking the question mark
in the upper-right corner of the dialog box. To close a ScreenTip or to remove the
question mark from the pointer, press ESC or click the left mouse button.
ToolTips identify toolbar buttons when you point to them; you don’t need to click the ScreenTips button first. If you don’t see a ToolTip when you position the pointer over a toolbar button, point to Toolbars on the View menu, and then click Customize. Click the Options tab, and then select the Show ScreenTips on toolbars check box.