Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Learn how to receive a refund or exchange for items purchased from Microsoft.

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.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Learn how to use Microsoft Translator in the Edge browser to translate webpages.

Learn how to manage background activity for apps to help save battery power in Windows.

Use Find my device to locate and lock your lost or stolen Windows devices.