When launching Excel via Task Scheduler, specify EXCEL.EXE as the main program, and the path to the file that you’d like to open as the ‘argument’.

In this post, we will take the example of WINWORD.exe Word executable, but a similar procedure is to be followed for Excel.exe, Chrome.exe or any other program executable file.

Resetting the Registered File Types for Excel. When you first installed Microsoft Excel, it should have registered itself as the default program for opening compatible file types, such as .xlsx or ...