For workbooks that contain more than one category of worksheet, you can use color to add visual distinction to the worksheet tabs along the bottom of the Excel window.  Right-click on the worksheet tab to bring up the dialog: Your tabs are now colorful...

Excel can help you understand or troubleshoot cell references by identifying the cells dependent upon the selected cell and those that the selected cell depends upon. One way to accomplish this is via the Go To Special dialog.  It can be launched...

Excel can help you understand or troubleshoot cell references by identifying the cells dependent upon the selected cell and those that the selected cell depends upon. One method for doing this is via the Formula Auditing group in the Formulas tab. Let...