Say you are working on a pair of spreadsheets, both of which require the same supporting data from a variety of places. That is when window tabbing becomes real

Say you are working on a pair of spreadsheets, both of which require the same supporting data from a variety of places. That is when window tabbing becomes really outstanding, since you can tab together the two spreadsheets. The advantage over just bringing forward the work sheet you want each time is that as you move one around and resize it (to cater for fitting the source data on the screen), the one you aren't currently working on changes with it saving you some clicks. It sounds like a stupid little thing but taking a frequent minor irritation out of your environment can be surprisingly beneficial.