Why choose the spreadsheet software OAK?

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Tools for building, reviewing & auditing spreadsheets

Award-Winning software

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How OAK solves all your spreadsheet problems!

OAK Compare Feature

Compare Spreadsheets

Get a foolproof way to find differences between two spreadsheets.

Easily distinguish concrete changes from those that occur as a result of items changing position.

Spreadsheet risk


Get a summary of your entire workbook. Allowing you to easily detect errors.
Features include:

  • Model summary
  • Summary of distinct formulas
  • Summary of referred constants
  • Summary for cross-reference
  • Risk analysis report
spreadsheet mapping software


Need a quick and efficient way to audit a spreadsheet? With a graphical map of the structure of the sheets in your workbook, you can quickly understand the logic behind a worksheet and check for errors and inconsistencies.