data loss

  1. S

    File error: data may have been lost

    I've been working on an Excel file with no problems. Then yesterday I opened it and got the error in the subject line. Certain - but not all - of the formulas in the workbook now simply contain "=#N/A". I fixed the formulas and re-saved it. I opened the file again today and got the same...
  2. M

    Data Loss when Excel is Reopened - #N/A in place of formulas

    When I reopened a large excel file, I received an error message that data was lost. In the file many formulas were converted to #N/A. Any idea how this happened? What can I do to prevent this from happening again? Thanks.

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