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 ...

Excel 培训列表，从入门级别到高级技能，以及模板和其他资源。

正常播放视频，甚至音乐文件到 Windows Media Player 要求合适的编解码器。编解码器是小程序中的文件或数据的数字信号进行编码和解码。只有以这种方式，玩家可以解释为音乐或电影的流和正常播放。如果系统中缺少的编解码器，则相应的视频文件无法播放。

有关双重验证和 Facebook 帐户的详细信息，请参阅什么是双重身份验证及其工作原理？ 添加 Amazon 帐户. 可以通过启用双重验证，然后将帐户添加到应用来添加 Amazon 帐户。 在计算机上，从“选择如何使用 QR 代码接收代码”页中选择“无法扫描条形码”。

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

出现这种情况可能是因为在新电脑上安装 Office 的批量许可版本之前未卸载预安装的 Office 版本。 若要消除激活提示，请确保为 Office 使用批量许可，并更新注册表。 验证确认你的 Office 版本已使用批量许可. 大型组织通常使用 Office 批量许可版本。

注意: 本页面是自动翻译的，可能包含语法错误或不准确之处。 我们的目的是使此内容能对你有所帮助。 能否告知我们此信息是否有所帮助？ 下面是该参考内容的英文版。

Note: Files deleted from your Personal Vault only show up in your recycling bin if your Personal Vault is unlocked before you check the recycle bin.You can unlock the Personal Vault and see those items if you select Show Personal Vault items in the recycle bin. If you don't see this option, your Personal Vault may already be unlocked.

Get expert help, 24/7. Have our partners at Excelchat fix your formulas for free. Need more help? Want more options? Discover Community. Explore subscription benefits, browse training courses, learn how to secure your device, and more. Microsoft 365 subscription benefits. Microsoft 365 training.

使用 Windows IME 键盘进行键入和墨迹书写时，可能会收集数据以改进语言识别和建议功能。 若要在 InPrivate 和普通浏览窗口中使用 Windows IME 键盘时停止墨迹书写和键入数据，请转到 Windows 设置 > 隐私 & 安全> 墨迹 & 键入个性化。