Outlook (PC): 清除 Windows 認證管理員

如果您遇到問題開啟 Outlook，會使用 Office 365 帳戶，您的問題可能會儲存在 Windows 認證管理員的格式不正確的認證。以下是如何加以移除：

1. 關閉 Microsoft Outlook。
2. 從 [開始] 功能表中，選取控制面板。
3. 按一下 [使用者帳戶。
4. 按一下 [認證管理員。
5. In the Windows Credentials and Generic Credentials section, remove any stored credentials referencing the Office 365 or ms.outlook email addresses:
   1. Click (Details).
   2. Click Remove from vault.
   3. Click Yes on the warning box.
   4. Repeat these steps until you remove all of the credentials associated with your email address.
6. Close the Control Panel window.
7. Launch Outlook.

Next step

Restart Outlook, and you will be prompted for sign in credentials for each address you have configured in the profile.

If you continue to have trouble, see Outlook error: The action cannot be completed.