vlookup、hlookup、その他の index や match などの関数を使い、ユーザーが入力した値に基づいてデータを検索して見つけます。 この記事では、vlookup について簡単に復習してから、その他の情報へのリンクを示します。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

If the USB recovery drive doesn’t work on your Surface. If you can’t boot from your USB recovery drive or don’t see the Recover from a drive option, you may need to ensure that the boot-from-USB function in the Surface BIOS is enabled or configure the boot order so the USB drive is the first option. For more info, see Boot Surface from a USB device.

To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.

注: Windowsでドライバーの更新プログラムを取得する最も安全で安全な方法は、常にWindows Updateです。Windows Updateに問題がある場合は、Update Windowsのリンクのいずれかが最初に役立つかどうかを確認できます。

Enter your Email, phone, or Skype name in the first box if you know it.; In the Contact email address text box, type an email address where we can contact you or send your password reset link. Note that this email address should be different from the one you’re trying to recover. In the third text box, type the characters displayed on the screen.

Be careful to set the correct microphone input on your device, otherwise results may be disappointing. For example, if your computer's microphone input is set to your headset mic based on the last time you used it, it won't work well for picking up an in-person meeting. If you want to record and transcribe a virtual call, don't use your headset.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

The issues fixed by this method shouldn’t occur in Windows 10 1511 or later. Important: Follow the steps in this method carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.