I was aware that I could export/save the project as HTML, but that seemed to me to be pretty useless format for proofreading.
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It is, until you see the light, and open the HTML file in a word processor.
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Get rid of the column with the source text (and convert Table to Text, if you like), and you will end up with this:
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This is a format suitable for reviewing, especially if you print it. Be sure to make changes in the Project so your translation memory is up-to-date.