First, follow this link to create an App password.
Write down the password.
Then IMAP settings:
Server address: imap.gmail.com:993
Username: your Gmail account with @gmail.com
Password: your App password that Google just generated (from the link)
Security: TLS
First, follow this link to create an App password. Write down the password.
Then IMAP settings: Server address: imap.gmail.com:993 Username: your Gmail account with @gmail.com Password: your App password that Google just generated (from the link) Security: TLS
Advanced settings: Authentication: IMAP username/password
Then choose your backup settings, etc. Click on Backup and everything should work!