Yes. Login to webmail and check the lower left side for your storage percentage.
Tips: Focus on deleting emails with large attachments.
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In Outlook set mail to stay on the server for ten to fifteen days.
Microsoft 365 uses OAuth authentication which requires special server configuration. Our mail servers use standard IMAP/SMTP protocols that work with traditional email clients.
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Use this guide to make sure messages are not flagged as spam.
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Update your incoming and outgoing mail server to the value shown above.
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