I am sure your IT people would support you moving to RH7 as
for them having one person on a different version of Word is not
the best arrangement.
The ability to be able to have multiple topics open in RH7
has to be of some productivity benefit. Snippets and variables
could also be good levers in arguing the case to upgrade, assuming
that you could use those features to your benefit.
From a professional point of view, having knowledge of the
latest versions is important so that you can keep your knowledge up
to date. Eventually people doing our job will need some knowledge
of Word 2007. The sooner you acquire that, the more of an advantage
you have. Often people in an office look to the technical authors
for assistance with Word so being on an older version means you
cannot help. Sometimes that might be useful but it is also
something that helps sell the value of having a techical author
around.
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