Hi
You’ll probably have to enable IMAP and/or set up an app password.
For Gmail: https://support.google.com/mail/answer/7126229?hl=en
For Outlook: https://support.microsoft.com/en-us/office/pop-imap-and-smtp-settings-for-outlook-com-d088b986-291d-42b8-9564-9c414e2aa040 and https://support.microsoft.com/en-us/office/add-your-outlook-com-account-to-another-mail-app-or-smart-device-73f3b178-0009-41ae-aab1-87b80fa94970