If the user has:

- a virtual solution (Parallels, etc.)

- with Office for PC installed

- and configured to  expose WinTel applications to the Macintosh Finder

The AppleScript commands may try to select the WinTel version of "Microsoft Outlook". This—obviously—doesn’t work. By adding the Mac ~.app~ file extension, we reduce this confusion and more reliably call the Macintosh version of Outlook.

TINYCHANGE