Get help and learn how to use Skype with Microsoft's official support page.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Sharing your notes is easy in OneNote for Windows 10. You can invite others to view a specific page or an entire notebook, and you can select whether notebook participants can only view or fully edit your notes.

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.

Learn how to set up a connection to a proxy server on your Windows PC.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

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.