If your Outlook is trying to load the profile, but it lasts forever, check the following:
Run Outlook with Ctrl key pressed. This will run Outlook in safe mode.
If Outlook works, then do the following:
1. Run regedit
2. Browse to HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common
3. Create a new key named "Graphics"
4. In graphics key, create a New DWORD (32-bit) Value named DisableHardwareAcceleration.
5. Enter Value data as 1
Run Outlook with Ctrl key pressed. This will run Outlook in safe mode.
If Outlook works, then do the following:
1. Run regedit
2. Browse to HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common
3. Create a new key named "Graphics"
4. In graphics key, create a New DWORD (32-bit) Value named DisableHardwareAcceleration.
5. Enter Value data as 1