If you work with long documents in Microsoft Word, you should know about the Show/Hide white space feature. Now, you may already know about the Show/Hide option in Word to display non-printing characters.
When you have data in Excel you want to use differently, that is to combine multiple columns or extract just portions of the data, Flash Fill might be the solution.
Do you ever get confused when scheduling meetings across multiple time zones? If you have Office 365 you are now able to add an additional time zone.