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.

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Supported languages. Read Aloud uses the proofing language set for the document. To change the language, see the help article Fix text-to-speech reading in wrong language.. Voices. Depending on your platform, text-to-speech (TTS) uses software that comes built into your device or by a Microsoft service.

新しい PC にボリューム ライセンス版の Office Standard または Office Professional Plus をインストールした後で、Office を起動するたびに、[開始する] 画面が表示される場合があります。これは、新しい PC のプレインストール版の Office をアンインストールせずに、ボリューム ライセンス版の Office を ...

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

Find out how to play with cloud gaming on devices you already have

Press Ctrl + Alt + Delete to open Task Manager.If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem.

Outlook can alert you to a variety of actions with sound effects. You can control some of these sounds through the Outlook options pane, while other settings are controlled by Windows.

Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

You might be prompted for the BitLocker recovery key during startup, due to a security risk or hardware change: