After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。

Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Get answers to questions about how indexing affects searches in Windows 10.

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

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

Si vous rencontrez des problèmes de son ou audio, les suggestions suivantes peuvent vous aider. Ces conseils sont affichés dans l’ordre. Commencez par le premier de la liste ; s’il ne vous permet pas de résoudre votre problème, passez au suivant.

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

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.