What exactly is the difference between :"Refresh" and "Expand All"?

They seem to do the same thing most of the time. What is the difference?

Hi Dermot,
Well, for a report that uses no expansions the time it takes for Refresh and Expand All should be about the same. Maybe a little bit faster for Refresh. But if your report does have expansions, Refresh should be significantly faster.
Here is the list of what happens to each EVDRE in your workbook when you click the "Expand All" button: [http://help.sap.com/saphelp_bpc75_nw/helpdata/en/fb/b03d0099e8428d95eb7de2c964cf18/frameset.htm] It has 8 steps. I believe that when you click the "Refresh" button it only executes steps 3 and 4 (not completely sure about that, but you get the point - it doesn't do everything).
Expand All can get especially problematic when you have a workbook with a large number of EVDREs. In this case, a nice option  is to right-click on the worksheet and take a look at the options under the top menu item. One of the options is to expand only the active sheet, which can save you a lot of time.
Cheers,
Ethan

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