Application.FileValidation Property (Excel)
Returns or sets how Excel will validate files before opening them. Read/write
Version Information
Version Added: Excel 2010
Syntax
expression .FileValidation
expression A variable that represents an Application object.
Return Value
Remarks
Files that do not pass validation will be opened in a Protected View window. If you set the FileValidation property, that setting will remain in effect for the entire session the application is open.