Enable 2-step Authentication

If 2-step authentication is enabled, then use the generated App password to login on the Regain MBOX to PST Converter software or disable the 2-step authentication.

If 2-step Authentication is enabled, then perform the below steps to disable the 2-step authentication:

1. Login to your Hotmail account.
2. Navigate to Security → Sign in with your Microsoft account.
3. Under Additional security → Two-step verification, click the Turn on link