Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Change the email address or phone number for your Microsoft account
Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.
Applies To:
Microsoft account dashboard
How to recover a hacked or compromised Microsoft account
If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.
Global Customer Service phone numbers - Microsoft Support
Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.
Microsoft 365 Customer Service and Support - Microsoft Support
Chat. Non-subscription Office (one-time purchase of Office): Office 2021 (For PC and Mac) Office 2019 (For PC and Mac) Office 2016 (For PC only) Note: Includes support for Office apps (like Word, Excel, PowerPoint and OneNote). Chat. Call back (for activation only) Tip: For full call back support Buy Microsoft 365.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
Update drivers manually in Windows - Microsoft Support
Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Change the email address or phone number for your Microsoft account
Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.
Manage photos and videos with Microsoft Photos app
This version of Microsoft Photos app offers a convenient and user-friendly way to view, import, organize, edit, and share photos and videos on Windows devices. Users can also utilize the new Photos app to access media files stored on OneDrive and iCloud.
Hotmail にサインインする方法 - Microsoft サポート
Hotmail が Outlook.com になりました。. サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。.
Applies To:
Outlook.com