Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

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Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

In the new Outlook for Windows, a toggle appears at the top right of the Outlook window. While the toggle is turned on, if you try to launch classic Outlook for Windows or Windows Mail you'll be automatically redirected to new Outlook for Windows.

Si vous obtenez un code d’erreur lors du téléchargement et de l'installation des mises à jour Windows, l’utilitaire de Résolution des Problèmes de Windows Update peut aider à résoudre le problème.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Find out how to submit a case review and learn more about your Xbox enforcements.

Note: Diagnostic data may contain "personal data" as defined by Article 4 of the European GDPR, but it doesn't contain your name, your email address, or any content from your files.All diagnostic data Microsoft collects during the use of Microsoft 365 applications and services is pseudonymized, as defined in ISO/IEC 19944-1:2020, section 8.3.3.

Windows では、ディクテーションを使用して、どこでも PC で音声をテキストに変換できます。

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.