如果遇到特定文件类型的错误，则可能是编解码器缺失或过时。 若要解决此问题，请执行以下操作： 检查文件属性： 确保电脑上有正确的编解码器来播放媒体文件。 若要检查文件格式和编解码器信息，请右键单击媒体文件，选择“属性”，然后转到“详细信息”选项卡。

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

Открытие приложения "Камера" в Windows. Чтобы открыть веб-камеру или веб-камеру, выберите Начните, а затем выберите Все приложения ,а затем выберите Камера в списке приложений. Если у вас несколько камер, вы можете ...

Обновления экран по умолчанию и параметры спящего режима теперь помогают более эффективно использовать энергию и продлить время работы батареи.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

قبل البدء، تأكد من أن جهاز الكمبيوتر Windows 11 يدعم Bluetooth. لمزيد من المعلومات حول كيفية التحقق، راجع إصلاح مشاكل Bluetooth في Windows.إذا كنت بحاجة إلى مساعدة في إضافة جهاز بدون قدرات Bluetooth، فشاهد إضافة جهاز إلى كمبيوتر Windows.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

If repairing your Office programs did not resolve your issue, continue to the next step. Check to see if your antivirus software is up-to-date. If your antivirus software is not up-to-date, PowerPoint may not function properly.