Google's Getting Rid of a Way to Import Third-Party Accounts Into Gmail

Gmail is phasing out syncing email from third-party email accounts via POP. Users can shift to IMAP, but it's not quite the ...

Gmail is Discontinuing POP3 Import and ‘Gmailify’ Features for Other Accounts

Gmail is about to lose the ability to fetch emails from other accounts via the POP standard, and it's also removing ‘Gmailify ...
GIGAZINE

Since we can now export 13 services such as Google's Gmail, Calendar, Drive etc., I tried it

You can now officially copy the data of 13 services provided by Google. You can make backups of important mail transfers and transfer data from Google Calendar to ...