How to avoid having "Microsoft office excel recalculates formulas when opening files last saved by an earlier version of excel"?

Link:  http://www.extracomm.com/Extracomm/FAQ.NSF/FAQs/a745b9d2f63764c448257a3200299dd8
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Last Modified Date:  01/23/2015


1. Launch Windows Registry Editor (Windows Start button -> Run... -> type: regedit)

2. Navigate to the "HKEY_CURRENT_USER\Software\Microsoft\Office\[OfficeVersionNumber]\Excel\Options" key, where [OfficeVersionNumber] has to be matched with the version number of your installed MS Office.

[OfficeVersionNumber]
Office 2003 -> 11.0
Office 2007 -> 12.0
Office 2010 -> 14.0
Office 2013 -> 15.0

3. Insert a new DWORD value:
- Value name: FullCalcOnLoadOldFile
- Value type: REG_DWORD
- Value data: 0

4. Navigate to the "HKEY_USERS\.DEFAULT\Software\Microsoft\Office\[OfficeVersionNumber]\Excel\Options" key, where [OfficeVersionNumber] has to be matched with the version number of your installed MS Office.

5. Insert a new DWORD value:
- Value name: FullCalcOnLoadOldFile
- Value type: REG_DWORD
- Value data: 0