Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.

Tipp: Wenn Sie einen Adapter für die drahtlose Übertragung verwenden, stellen Sie eine Verbindung mit einem HDMI-Anschluss an neueren Fernsehgeräten her, und schließen Sie dann Ihren PC drahtlos an ihn an. Nachdem Sie Ihre drahtlose Grafikkarte mit Ihrem Fernseher verbunden haben, wechseln Sie zu Ihrem Windows 11-PC, drücken die Windows-Logo-Taste + K, um Cast zu öffnen und wählen dann ...

Export contacts out of other email services. Export iCloud contacts. Export Gmail contacts – See Gmail help. Export Yahoo contacts – See Yahoo import and export help. Export Thunderbird contacts – See Mozilla support.

Windows 10 と Windows 11 でユーザー アカウントを追加する方法について説明します。 アカウントを使用すれば、各ユーザーが個別のファイル、ブラウザーのお気に入り、プライベート デスクトップを持つことができます。

Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups

Select Add, decide who to share your calendar with, and select Add.

Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.