How to force Microsoft Excel to open files in new window

1. Navigate to HKEY_CLASSES_ROOT/Excel.Sheet.12/shell/Open/command. 2. From the HKEY_CLASSES_ROOT/Excel.Sheet.12/shell/Open/command folder right-click on the (Default) registry entry and select Modify. 3. Add a “%1” to the end of the Value data textbox. 4. Now right-click the command registry entry (this is from the same HKEY_CLASSES_ROOT/Excel.Sheet.12/shell/Open/command folder), select Rename, and rename it to…

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