Outlook - Trouble Opening (Stuck on loading profile)

Fix to Outlook 2016/2019/365 hanging at processing, starting or loading profile screen

Step 1: Simultaneously press Windows logo and R keys on the keyboard to open Run command dialog.

Step 2: Type Outlook.exe /safe and then press Enter key to open Outlook 2016 or Outlook 365 in Safe mode.

NOTE: Be sure to add a space between Outlook.exe and /safe. Else you will get Windows cannot find Outlook.exe/safe. Make sure you typed the name correctly, and then try again error.

Step 3: When you see the Choose Profile dialog, choose a profile (if you have multiple profiles), and then click OK button.

Outlook 2016 or Outlook 365 should open now without hanging.

Step 4: Close the Outlook program. Start the Outlook program again normally now. The program should now start without any issues.