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.

Get troubleshooting steps for when you can't sign in to the Xbox app.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Se describe cómo utilizar la herramienta Comprobador de archivos de sistema para solucionar problemas relacionados con archivos de sistema que faltan o están dañados en Windows 8.1, Windows 8, Windows 7 o Windows Vista.

Learn how to change the location of your OneDrive folder.

マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。

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

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Learn how to connect the Xbox Wireless Controller with your Xbox console.

Use criteria in an Access query to find specific information from your desktop database.