Login with App Password

To login with the password generated by Microsoft Office 365 for Regain MBOX to PST Converter software, perform the steps as discussed below:

1. In Login to Office 365 Account screen, to migrate to Microsoft Office 365 account:
   1. Select Server Type as Office 365.
   2. Enter the User Name and password generated by Microsoft Office 365 for Regain MBOX to PST Converter software.
   3. Click Login Now.
   
2. To migrate to Live Exchange Server:
   1. Select Server Type as Exchange Server.
   2. Enter the Server/IP Address.
   3. Enter the User Name and password generated by Microsoft Office 365 for Regain MBOX to PST Converter software.
   4. Click Login Now.
   

Note: The above-mentioned steps are for Basic Authentication.

While trying login using Basic Authentication, if you are facing an error “Failed (401 unauthorized error)”, then you need to try login Multi-Factor Authentication as this is a new security feature by Microsoft Azure.

To understand how to perform Azure App Registration and how to generate Azure App Client ID and Azure App Tenant ID, refer Appendix A - Azure App Registration & Generating Azure App Client ID & Tenant ID.

To understand how to enable Multi Factor Authentication (MFA) for Office 365 account for Admin, refer Appendix B - Enabling MFA for Office 365 Account - Admin.

To understand how to enable Multi Factor Authentication (MFA) for Office 365 account for a user, refer Appendix C - Enabling MFA for Office 365 Account - User.

To understand how to generate App password for Office 365 account, refer Appendix D - Creating App Password for Office 365 Account.