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Using the Windows Activation troubleshooter - Microsoft Support
To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.
Video: What is Microsoft Teams? - Microsoft Support
Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.
Applies To: Microsoft Teams
Stay safe with a genuine Office license - Microsoft Support
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.
Applies To: Office 2019
Open and use a shared mailbox in Outlook Web App
Type the email address of the other mailbox that you want to open and then select Open.Or, start typing and then select Search contacts and directory to find the mailbox you want to open. Select the shared mailbox you want to open, and then select Open.Another Outlook Web App session opens in a separate window, allowing access to the other mailbox.
Applies To: Outlook Web App
Distribution groups - Microsoft Support
Note: If you use Outlook on the web, Microsoft 365 Groups are available to you.Microsoft 365 Groups are similar to distribution groups in that they allow you to communicate with multiple people in one email message, but they also come with a shared mailbox, calendar, document library, notebook, and more.
Applies To: Outlook Web App
Set up text messaging as your verification method
Change your default security info method. If you want text messaging to be the default method used when you sign in to your work or school account using two-factor verification or for password reset requests, you can set it from the Security info page.
Block a mail sender - Microsoft Support
Notes: If you have existing lists of safe names and addresses, you can move that information into Outlook. Click Import from File and browse for the list file that you want. To create a file that uses your current list, click Export to File and then specify where you want the new file saved.. To change a name on the list, click the name that you want to change and then click Edit.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
How do I open a protected message? - Microsoft Support
Protected messages allow the sender to set specific permissions on a message, such as Do Not Forward or Do Not Print. If you receive a protected email message sent to the work or school account you use with Microsoft 365 in Outlook or Outlook on the web, the message should open like any other message.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook for Android, Outlook for iOS
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
Microsoft .NET Framework 修复工具可用 - Microsoft 支持
简介. Microsoft .NET Framework修复工具检测影响 Microsoft .NET Framework 安装或更新的常见问题。 该工具尝试通过应用已知修补程序或修复受支持的.NET Framework版本的损坏安装来解决这些问题。