Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to use Microsoft Teams, a collaboration app built for hybrid work, to stay informed, organized, and connected.

Windows PC でアプリ、設定、ファイル、写真、Microsoft Edge のお気に入りとユーザー設定をバックアップする方法について説明します。

If your Surface touchscreen doesn’t work, try these steps first. To try to resolve these issues, you can begin by following the steps below to boot to UEFI and test touch functionality, reinstall the touchscreen driver, check for Windows and Surface updates, or reset Surface.. If that doesn't resolve the issues, you can find more info in Is your touchscreen still not working?.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Windows 11 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ + R を押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 詳細を確認する方法は次のとおりです。

See your options to upgrade your version of office with or without a subscription.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

In Outlook, sometimes your outgoing messages get stuck in your outbox and just won't send. Learn about some ways to get them moving.