A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

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

Use the Windows Settings app to change your default browser.

Unlike Microsoft Word, Microsoft Excel doesn't have a Change Case button for changing capitalization. However, you can use the UPPER, LOWER, or PROPER functions to automatically change the case of existing text to uppercase, lowercase, or proper case. Functions are just built-in formulas that are designed to accomplish specific tasks—in this case, converting text case.

Under Edit signature, compose your signature.You can change fonts, font colors, and sizes, as well as text alignment. If you want to create a more robust signature with bullets, tables, or borders, use Word to create and format your signature text, then copy and paste it into the Edit signature box.You can also use a pre-designed template to create your signature.

Windows 更新プログラムのダウンロードおよびインストール中にエラー コードが表示された場合は、Windows Update トラブルシューティング ツールが問題解決に役立ちます。

If you try to use an app that's not in Microsoft Store, you'll get a reminder that the app isn't an option when you're using Windows 10 in S mode. We'll often suggest a category of similar apps or a specific app that's already available in Microsoft Store. Note that some developer tools won't be supported on Windows 10 in S mode, and a small ...

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

ユーザー名. メール アドレス. パスワード. Microsoft アカウントのパスワード。 パスワードが認識されていない場合、または自宅のセキュリティ カメラなどのスマート デバイスに Outlook.com アカウントを追加する場合は、アプリパスワードが必要な場合があります。

Don't show the warning for opening linked tables in Design View. Based on your feedback, we’ve added a new option to the warning message that appears when you try to open a linked table in Design View.