Have you tried attaching a simple Macro to the file and calling that?
recalculate all open workbooks
Application.Calculate
recalculate a specific worksheet
Worksheets(1).Calculate
recalculate a specific range
Worksheets(1).Columns(1).Calculate
Have you tried attaching a simple Macro to the file and calling that?
recalculate all open workbooks
Application.Calculate
recalculate a specific worksheet
Worksheets(1).Calculate
recalculate a specific range
Worksheets(1).Columns(1).Calculate