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In Pictures: 13 useful add-ons for Microsoft Excel...
For some reason, Microsoft has taken to calling the mini-programs that you can install into their Office applications “apps.” Functionally, though, most of these are similar to web browser add-ons -- in the sense that they add to or enhance the feature set of the main program. Here are the most useful ones for the latest versions of Excel and Word.
In Pictures: 13 useful add-ons for Microsoft Excel and Word 2013