Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Microsoft サポートは、Microsoft 製品を支援するためにここにあります。 Microsoft Copilot、Microsoft 365、Windows、Surface などのハウツー記事、ビデオ、トレーニングを検索します。

Serve aiuto con una console Xbox, un gioco Xbox o la rete Xbox? Scopri come restare in contatto con noi.

system settings, settings, preferences, change settings, help with settings, console settings, access restriction options

This article explains how to use web parts on SharePoint Online pages.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.

We would like to show you a description here but the site won’t allow us.

You need to enable JavaScript to run this app.

Learn how to set up the new voice access feature with your microphone in Windows.