Get to know common Windows keyboard shortcuts including copy, cut, paste, maximize a window, and more.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

このページでは、IME 機能やキーボードのショートカットなど、Microsoft 日本語 IME の使い方について説明します。

Set your document's page numbering to start on the second page, and choose another starting page number.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.