It's incorrect to assume that a Windows application will open the Find interface via the keyboard shortcut Ctrl+F. In Microsoft Word that shortcut opens the Nav

It's incorrect to assume that a Windows application will open the Find interface via the keyboard shortcut Ctrl+F. In Microsoft Word that shortcut opens the Navigation interface, and Find is now Advanced Find, which can be opened simply and intuitively via Ctrl+H - Alt+D. Frequent revalidation training in the leverage of Microsoft products is something that would have helped your person avoid looking unprofessional.