Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
How to sign in to MSN - Microsoft Support
If you're having issues such as you forgot your password or you can't sign up for a Microsoft account, visit the Microsoft account help page. SUBSCRIBE RSS FEEDS. Need more help? Want more options? Discover Community. Explore subscription benefits, browse training courses, learn how to secure your device, and more.
SUMIFS function - Microsoft Support
Problem. Description. 0 (Zero) is shown instead of the expected result. Make sure Criteria1,2 are in quotation marks if you are testing for text values, like a person's name.. The result is incorrect when Sum_range has TRUE or FALSE values.. TRUE and FALSE values for Sum_range are evaluated differently, which may cause unexpected results when they're added. ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
Microsoft Authenticator FAQs - Microsoft Support
No. The codes don't require you to be on the internet or connected to data, so you don't need phone service to sign in. Additionally, because the app stops running as soon as you close it, it won't drain your battery. Sign in responses. Yes. To get sign in notifications and to send your response your device needs to be connected to the internet.
Mettez à jour Windows - Support Microsoft
Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.
Project help & learning
Get Microsoft Project help and training content. Find training courses, support, and additional resources for Microsoft Project.
安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息,这可能是因为用于安装更新的 Windows 维护服务商店出现问题,或者是因为你的防病毒软件阻止安装更新。
Outlook help & learning
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content
準備進行 Windows 11 升級 - Microsoft 支援服務
安裝 Windows 11. 當 Windows 11 升級已針對您的特定電腦進行測試並驗證之後,Windows Update 會指出它已準備好安裝。 若要檢查 Windows 11 是否已準備好安裝到您的裝置,請前往 [啟動] > [設定] > [更新與安全性] > Windows Update ,然後選取 [檢查更新]。 如果您的裝置可以升級,而您想要繼續進行,請下載並安裝它。
Office Help & Training
We would like to show you a description here but the site won’t allow us.
Phone Link help & learning
Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!