Microsoft 365 & Exchange

1 guide

Administer Microsoft 365 and Exchange Online — user and license management, shared mailboxes, mail flow, migrations, security, MFA, and Defender for Office 365.

Diagram-style cover: an Outlook client repeatedly prompting for a Microsoft 365 password, with Windows Credential Manager and modern authentication in the connection path

How to Fix Outlook Keeps Asking for Password in Microsoft 365

Outlook keeps asking for your Microsoft 365 password? Work through cached credentials, modern auth, MFA, and broken profiles with these step-by-step fixes.

MCSA Guru Team May 28, 2026 12 min read