Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Battery saver is turned off.To find out if battery saver is turned on or off, select Start , then search for settings.Select Settings > System > Power & battery.If you want the best HDR video experience even when battery saver is turned on, select Battery saver, then turn off Lower screen brightness when using battery saver.For the best HDR video experience, Windows needs to be able to set ...

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Si votre PC fonctionne actuellement sous Windows 10, l’application Contrôle d'intégrité du PC vous permet d’effectuer une vérification complète de l’éligibilité de votre appareil afin de vous assurer qu’il répond à la configuration minimale requise pour Windows 11. Vous obtenez des informations sur la raison pour laquelle votre appareil est éligible ou non, ainsi que des ...

Lorsque votre caméra ne fonctionne pas dans Windows 11, il est possible que des pilotes soient manquants après une mise à jour récente. Il est également possible que votre programme antivirus bloque l’appareil photo, que vos paramètres de confidentialité n’autorisent pas certaines applications à accéder à celle-ci, ou que le problème provienne de l’application que vous ...

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

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.

Tip: Instead of inviting people to share a notebook, you can create a special link to the notebook that you can then copy and paste into an email, into a text message, or onto a webpage.On the Send Link pane, click Copy Link.Keep in mind, access to this link is controlled by the access set for sharing at the top of the Send Link pane.

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