Learn how to search for and open files from your Microsoft Office app, including recently opened files and folders using shortcuts.

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You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

If it's hard to read the product key on your packaging, use this guide to help you tell the numbers and letters apart: If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。

Get help if your Surface Pen isn't working or you're having problems writing. Troubleshoot problems related to your Surface Pen.

PIN を忘れてリセットする必要がある場合は、Windows サインイン画面からリセットできます。 [PIN] テキスト ボックスの下を確認します。

カメラ アプリで撮影した写真やビデオを自動的に OneDrive に保存し、他のデバイスからアクセスできるようにします。

Microsoft 계정을 사용하여 Windows, Microsoft 365, OneDrive, Skype, Outlook 및 Xbox Live와 같은 Microsoft 서비스에 로그인합니다.

If you want to send a mass mailing to an address list that you maintain in a Microsoft Excel worksheet, you can use a Microsoft Word mail merge. The mail merge process creates a sheet of mailing labels that you can print, and each label on the sheet contains an address from the list. To create and print the mailing labels, you must first prepare the worksheet data in Excel and then use Word to ...