If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

When Kelly sends an email message to anton@proseware.com, she composes it from her computer, which is identified as (i101-177.nv.litwareinc.com).The composed text is passed from her computer to the email server, mail.litwareinc.com. This is the last that Kelly will see of her email message, because further processing is handled by email servers with no intervention from her.

Notes: Starting in Outlook for Windows Version 2303 (Build 16215.10000), the All Apps button replaces the Get Add-ins buttonon the ribbon to view installed add-ins and access the Office Store.If you’re using an earlier version of Outlook, you'll see the Get Add-ins button instead.. If you don't see All Apps on the ribbon, your administrator may have turned off add-ins for your organization.

与拥有手机、笔记本电脑或平板电脑的好友共享照片、视频或其他类型文件。 确保希望共享的其他设备已与你的电脑配对、已打开并且可以接收文件。了解如何配对

Check the Xbox services, games, and apps for any service outages.

Per ottenere supporto in Outlook.com, fare clic qui oppure selezionare Guida sulla barra dei menu e immettere la query. Se l'assistenza self-service non risolve il problema, scorrere verso il basso fino a Serve ulteriore assistenza? e selezionare Sì.. Per contattare Microsoft in Outlook.com è necessario eseguire l'accesso.

Important: This article is intended for users trying to use sign up for self-service password reset.This means that you’ll be able to reset your own work or school password (such as alain@contoso.com), without requiring your administrator’s help.

Tip: If you believe someone has acquired your payment info, contact your bank or your payment provider to prevent more charges. Tell them your credit card has been stolen or compromised - If you only dispute the charges, there's nothing to prevent the fraudulent charges from happening again.

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.