Set up Outlook to use S/MIME encryption - Microsoft Support
Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Fix sound or audio problems in Windows - Microsoft Support
Audio issues on your PC can be incredibly frustrating, especially when you're trying to watch a video, attend a meeting, or listen to music. Fortunately, most sound problems can be fixed by following a series of troubleshooting steps. This article provides a comprehensive guide to resolving audio issues in Windows.
How to use Surface UEFI - Microsoft Support
Surface Unified Extensible Firmware Interface (UEFI) replaces the standard basic input/output system (BIOS) with new features including faster startup and improved security. You can use Surface UEFI to manage the firmware features on your Surface. These Surface models use the new firmware UEFI interface:
Предотвращение использования USB-устройств хранения данных
Чтобы назначить пользователю или группе запрещающие разрешения на файлы Usbstor.pnf и Usbstor.inf, выполните следующие действия.
February 11, 2025 Security update (KB5051979) - Microsoft Support
Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions. To install the LCU on your Azure Stack HCI cluster, see Update Azure Stack HCI clusters.
Camera doesn't work in Windows - Microsoft Support
Common causes include missing drivers after a recent update, antivirus software blocking the camera, restrictive privacy settings, or issues with the app you're trying to use. This article provides a step-by-step guide to help you troubleshoot and resolve camera problems effectively.
Windows File Recovery - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.
KB5005010: Restricting installation of new printer drivers after ...
Security updates released on and after July 6, 2021 contain protections for a remote code execution vulnerability in the Windows Print Spooler service (spoolsv.exe) known as “PrintNightmare”, documented in CVE-2021-34527.
Camera app shows error "0xA00F4244 NoCamerasAreAttached" - Microsoft ...
Resolving this issue can often be as straightforward as updating the camera driver. The Windows Camera troubleshooter in the Get Help app is another useful tool. It contains automated steps that can resolve most camera-related issues.
Senden von verschlüsselten S/MIME- oder Microsoft Purview-E-Mails in ...
Da S/MIME-Empfangsanforderungen eine digitale Signatur enthalten müssen, müssen Sie Outlook für die Verwendung von Verschlüsselung und digitalen Signaturen einrichten, um einen S/MIME-Beleg anzufordern. Um eine Nachricht mit Verschlüsselung zu senden, wählen Sie Anweisungen basierend auf der verwendeten Version von Outlook aus.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, My Office for iPhone, New Outlook for Windows, Office.com, Outlook Web App