Looking for changes in spreadsheets or checking to see if two copies of a spreadsheet have identical content can be a mind-numbing exercise, especially for the larger and more complex spreadsheets. For Microsoft Excel, at least, the data file is amended each time the file is opened, even if there are no actual changes in the spreadsheet itself. For this reason; using file comparison will always show differences if the two files have different viewing (file opened) histories, even if the contents are identical. The following tools are helpful to find if there are any actual differences between different spreadsheet files.
| Creator | Development started | First public release | Latest stable version | Cost (USD) | License | |
|---|---|---|---|---|---|---|
| DiffEngineX | DiffEngineX LLC | 1997 | 1997 | 2.28 / 2012-09-05 | $44 to $100 (30-day trial) | Proprietary |
| Spreadsheet Compare | 2004 | ? | 1.16 / 2010-11-10 | Free | GPL | |
| Compare Excel files | Spreadsheet Advantage | ? | ? | ? / ? | $299 (30-day trial) | Proprietary |
| Synkronizer | Synkronizer | 2000-07 | ? | 9.5 / 2008-02 | €29 to €149 | Proprietary |
| Spreadsheet Professional | Miricle Solutions | ? | ? | ? / ? | ? (30-day trial) | Proprietary |
| Excel Diff - Excel Compare Tool - | SUNTRAP SYSTEMS | 2005 | 2005 | 4.2.0 / 2013-04-03 | $78 to $98 (30-day trial) | Proprietary |
SOURCE: http://en.wikipedia.org/wiki/Comparison_of_spreadsheet_software
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