注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

Why is the From button missing? If you see the Send button, but don’t see the From button, the typical cause is that your Outlook profile contains only one email account. To view the From button, you'll need to add another email account.. If you have multiple email accounts, you can add the From button manually.Once you add the From button, you can't remove it unless you remove all but one ...

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Note: No data will be lost by unlinking and re-linking your OneDrive, your local folders are just disconnected from the cloud for a short while.Any changes made while you're unlinked will be synced once re-linking is complete.

If either your Outlook.com mailbox or your OneDrive storage is full, you cannot send or receive email. Check your Outbox or your mailbox storage to see what's taking up space. Learn more.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

重要: ほとんどのアカウントは、新しい Outlook でサポートされます。これには、Outlook.com アカウントや Hotmail.com アカウントなどの Microsoft アカウント、組織の管理者によって割り当てられた職場または学校アカウント、Gmail、Yahoo!、iCloud などのサードパーティのアカウント、その他 IMAP 経由で ...

Email can fill your Outlook inbox quickly – new messages, replies, and forwards. Before you know it, you could have thousands of messages. Keep your Outlook inbox and its folders under control by moving older items you want to keep to an archive.Use AutoArchive to do this automatically.

Windows Server 2022; November 12, 2024—KB5046616 (OS Build 20348.2849) October 8, 2024—KB5044281 (OS Build 20348.2762) September 10, 2024—KB5042881 (OS Build 20348.2700)

When Outlook switches between working online and offline in classic Outlook, all email accounts are changed. You know you’re working offline when Work Offline is highlighted on the ribbon or Working Offline appears on the status bar at the bottom of the classic Outlook window.. When you’re ready to work online again, click Send / Receive > Work Offline.