Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

When you’re away from your console or your Windows 10/11 device, you can still get ready to play your next Xbox console game. Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

The taskbar can display the temperature in Celsius (°C) or Fahrenheit (°F). To switch between these two units, select the weather icon on the taskbar, select the Edit location and unit icon on the weather card, select Celsius or Fahrenheit on the weather, and select Save. News and interests is supported in any taskbar orientation.

説明. round 関数は、数値を四捨五入して指定された桁数にします。 たとえば、セル a1 が 23.7825 で、その数値を小数点以下第 2 位に四捨五入するには、次の数式を使用します。

Warning: Turning off Memory Integrity on a Secured-core PC takes the device out of a Secured-core state.If you choose to continue using your device without addressing the driver problem, you might discover that the functionality the driver supports does not work any longer, which could have consequences ranging from negligible to severe.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content