If you have come across an error asking you to enable the IMAP protocol when setting up a Gmail or G Suite account, kindly follow the steps below:
Note: If for your G Suite account you don 't have Forwarding and POP/IMAP tab or the IMAP access option to select, then most probably the administrator of your account has disabled this protocol on the server’s side. To enable it, please contact your G Suite admin.
Your administrator is someone associated with your company, not Google.
The G Suite admin might be: