Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn about passkeys and how they are used in Windows.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

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。

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.