First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

There are now two versions of Outlook for Windows: new Outlook for Windows and classic Outlook for Windows. To determine if the Outlook for Windows version you're using is new Outlook or classic Outlook, check if there's a File tab on the ribbon. If File doesn't appear, you're using new Outlook.If you have a File tab, you're using classic Outlook.

Share a photo, video, or other kind of file with a friend who has a phone, laptop, or tablet. Make sure the other device you want to share with is paired with your PC, turned on, and ready to receive files.Learn how to pair

注意: 如果日后决定更改聊天室名称，则会向你和聊天室成员及关注者显示新名称。但最好一开始就选个合适的名称，并在以后一直使用该名称。 更改聊天室名称可能会导致那些已设置通知或已将你的聊天室添加到收藏夹的用户产生混淆。

Teams 会保存整个聊天历史记录，一直保存到第一条消息。 如果有人 离开组，他们的聊天响应将保留在你的聊天历史记录中。. 查看群组聊天中的人员. 若要查看群组聊天中的人员，请选择右上角的“ 查看并添加参与者 ”以获取每个人的姓名列表。 与 Microsoft 支持人员聊天

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

Important Because two-step verification is turned on, you’ll need two forms of identification to sign in to your account. If you no longer have access to the email address you use to verify your account, your security info isn’t up to date, or you’ve recently updated your security info within the last 30 days, you may not be able to access your account.

若要捕获视频截图，请打开“截图工具”，选择“ 录制 ”按钮，然后选择“ 新建录制”，或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域，然后选择“ 开始”。完成后，选择“ 停止”。此时，可以按原样保存录制内容，或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。

You can use RTF when you send messages inside an organization that uses Microsoft Exchange, but we recommend that you use the HTML format. In fact, when you send an RTF message to someone outside your organization, Outlook automatically converts it to HTML, so the message keeps its formatting and its attachments.