下载Microsoft Authenticator - Microsoft 支持
重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。
Windows 11, version 22H2 update history - Microsoft Support
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)
Outlook.com 的 POP、IMAP 和 SMTP 设置 - Microsoft 支持
如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置中查看它们。. Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Encrypt messages by using S/MIME in Outlook on the web
Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.
Applies To:
Outlook.com, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Datenträgerbereinigung in Windows - Microsoft-Support
Hier erfahren Sie, wie Sie eine Datenträgerbereinigung in Windows, z. B. temporäre Dateien und Systemdateien löschen, um Speicherplatz frei zu machen.
Codecs FAQ - Microsoft Support
Here are answers to some common questions about codecs. What's a codec? A codec compresses or decompresses media files such as songs or videos.
Stay safe with a genuine Office license - Microsoft Support
After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.
Applies To:
Office 2019
Surface won’t turn on or start - Microsoft Support
Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen
Office Deployment Tool - Microsoft Support
Office Deployment Tool. If you’re an administrator, you can use the Office Deployment Tool to manage your Office 2016 Click-to-Run deployment options, such as installations sources, product and language combinations, or deployment configuration options.
Contact opnemen - Microsoft Ondersteuning
Neem contact op met de Microsoft-ondersteuning. Zoek oplossingen voor veelvoorkomende problemen of vraag hulp van een ondersteuningsagent.