If you see duplicate Office or any other program or app icons & shortcuts in Windows 11/10 Start Menu, then this is how to resolve the issue.

If you drag and drop a program from the Start menu to the desktop, you create a shortcut to the original program.

Not happy with the Windows 10 Start menu? Open Shell is a free Start menu alternative worth trying.

Replacing the Windows Start menu If you want to really get serious about Start menu customization, you can replace the built-in offering with something completely new.