While Method 1 works, it adds to the "boot load," meaning your computer is trying to launch Outlook at the exact same time it is trying to launch your antivirus, drivers, and background services. This can cause your computer to feel sluggish immediately after login.
However, not all "startup" methods are created equal. Do you want Outlook to launch minimized? Do you want it to start only if you were using it when you shut down? Do you want to avoid the login prompt? add outlook to startup best
Note: For "New Outlook" (olk.exe), if the shortcut breaks after an update, you can create a permanent shortcut pointing to %localappdata%\Microsoft\WindowsApps\olk.exe . While Method 1 works, it adds to the