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.

To enhance your Microsoft 365 experience in new Outlook for Windows, Outlook.com, Outlook for iOS, Outlook for Android, and new Outlook for Mac, you can now sync your non-Microsoft accounts (including their emails, contacts, and events) to the Microsoft Cloud.

Résoudre les problèmes liés à l’installation de Windows SP1. Si vous essayez d’installer SP1 et qu’un message d’erreur indiquant l’échec de l’installation s’affiche, cela peut être dû à un problème avec les Services de maintenance Windows utilisés pour installer les mises à jour ou lié au fait que le logiciel antivirus empêche l’installation de la mise à jour.

Importante: Microsoft non supporta più le versioni Authenticator che hanno più di un anno.Mantieni sempre aggiornato il tuo dispositivo.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

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

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

If you’re like most people, you have more than one email program on your computer. You can simplify your life by making Outlook a one-stop center for sending and receiving email, storing your contacts, and scheduling appointments.