For the most part, Spreadsheet::ParseExcel will read those files. There is a known caveat about formulas, but that's well-documented.
My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In reply to Re: Spreadsheet-WriteExcel open existing XLS file by dragonchild
in thread Spreadsheet-WriteExcel open existing XLS file by ssn642

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