Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

如果显示此屏幕，则会安装 Microsoft 365 家庭版 的试用版或 Office 的非订阅版本的试用版。 如果你登录到 Microsoft 365 或非订阅版本的 Office，该版本已预安装在新设备上，但没有与你的帐户关联的Microsoft 365 产品或非订阅版本的 Office，你将看到此屏幕。

Here's how to customize what you see on the Start menu and taskbar: To see a list of your apps, select Start , then select the arrow next to All apps to expand that pane. Scroll through the alphabetical list.

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

What are passkeys? Passkeys are a replacement for your password. With passkeys, you can sign into your Microsoft personal account, or your work/school account using your face, fingerprint, or PIN.

When you see a message asking you to make sure you can receive a verification code, verify or add new security info. You can skip it for 24 hours at a time, but after seven days from the first notice you'll have to verify or add new security info before you can sign in again.

When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

Keystroke. What it does. Windows logo key + R Opens the Run command. Windows logo key + S Opens Search. Windows logo key + E Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Select Add a new way to sign in or verify then choose how you would like to receive security codes.