HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock

Block opening of pre-release versions of file formats new to Excel 2016 through the Compatibility Pack for Office 2016 and Excel 2016 Converter
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\excel12betafilesfromconverters
Microsoft Office Open XML converters for Excel
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\ooxmlconverters
Legacy converters for Excel
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\converters
Dif and Sylk files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\difandsylkfiles
Offline cube files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\offlinecubefiles
Other data source files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\officedatasources
Microsoft Office data connection files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\officedataconnections
Microsoft Office query files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\officequeries
dBase III / IV files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\dbasefiles
Excel add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xllfiles
Text files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\textfiles
XML files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xmlfiles
Web pages and Excel 2003 XML spreadsheets
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\htmlandxmlssfiles
Excel 2 macrosheets and add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl2macros
Excel 3 macrosheets and add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl3macros
Excel 4 macrosheets and add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl4macros
Excel 2 worksheets
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl2worksheets
Excel 3 worksheets
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl3worksheets
Excel 4 worksheets
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl4worksheets
Excel 4 workbooks
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl4workbooks
Excel 95 workbooks
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl95workbooks
Excel 95-97 workbooks and templates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl9597workbooksandtemplates
Excel 97-2003 workbooks and templates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl97workbooksandtemplates
Excel 97-2003 add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xl97addins
OpenDocument Spreadsheet files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\opendocumentspreadsheet
Excel 2007 and later binary workbooks
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xlsbfiles
Excel 2007 and later add-in files
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xlamfiles
Excel 2007 and later macro-enabled workbooks and templates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xlsmandxltmfiles
Excel 2007 and later workbooks and templates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\xlsxandxltxfiles
Set default file block behavior
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\excel\security\fileblock\openinprotectedview