Selected Answer
MS Word and MS Excel, while both members of MS Office, are different apps with completely different file structures. For example, a Word table is internally not comparable with an Excel table. Therefore copying data from one file format to the other is problematic to say the least. What you see as copy/pasting of one block of text actually is the painstaking translation of a million tiny details of data and formatting.
Accordingly, you can indeed copy data from one application to the other but the result of that transaction needs final formatting. The instruction "Match destination formatting" doesn't apply across applications.