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.

Learn how to create and add a signature to email messages you send in Outlook.com.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Learn how to troubleshoot and fix problems setting up your email in Outlook.

How to set up Xbox Cloud Gaming on a Steam Deck device using the Microsoft Edge browser.

Erfahren Sie, wie Sie Benutzerkonten in Windows 10 und Windows 11 hinzufügen. Ein Konto ermöglicht jeder Person Zugriff auf separate Dateien, Browserfavoriten und einen privaten Desktop.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Learn how to customize the Quick Link menu and other navigation on your SharePoint site.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.