Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Find out how to use metered connections in Windows to control and help reduce data usage.

Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。

Learn how to use an eSIM to connect your Windows PC to the internet over a cellular data connection.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Informazioni su come usare l'app Controllo integrità PC per migliorare le prestazioni del dispositivo.

Mit der Microsoft Authenticator-App können Sie sich bei Ihren Konten anmelden, wenn Sie die zweistufige Überprüfung verwenden.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)