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激活 Windows - Microsoft 支持
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:
Freeze panes to lock rows and columns - Microsoft Support
To keep an area of a worksheet visible while you scroll to another area of the worksheet, go to the View tab, where you can Freeze Panes to lock specific rows and columns in place, or you can Split panes to create separate windows of the same worksheet.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
How to redeem Microsoft Rewards points - Microsoft Support
Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.
Applies To: Microsoft account dashboard
Troubleshoot Outlook email setup - Microsoft Support
If you try to add an IMAP account to Outlook, for example a Gmail account, Apple account, Yahoo account, or an account from your local ISP, and you're not prompted to enter your password, use the following steps to work around the problem.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
View and manage photos from your Android device on your PC
You can paste the photo into an Office document, an email message, or on your PC's desktop. Learn more about copying and pasting content between your devices (for Surface Duo and select Samsung devices). What are photo notifications? You can get instant access to your most recent photos or screenshots from your linked Android device by engaging with the incoming new photo notifications on your PC.
Update your security processor (TPM) firmware - Microsoft Support
2. Install any applicable firmware updates. If you have a Surface device, see Security issue for TPM on Surface devices for more information and instructions.. If your device is not from Microsoft, locate the device manufacturer of your device in the following table, select the corresponding link, and apply the firmware update that's provide.
Find your product key for Office 2007 - Microsoft Support
If it's hard to read the product key on your packaging, use this guide to help you tell the numbers and letters apart: If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund.
Applies To: Excel 2007, Word 2007, Outlook 2007, PowerPoint 2007, Access 2007, OneNote 2007, Project 2007, Project Standard 2007, Publisher 2007, Visio 2007, Visio Standard 2007
Earn a Microsoft Office Specialist (MOS) certification
MOS Master--Pass exams in Word or Excel to earn a Microsoft Office Specialist Master certification.Being certified as an MOS Master demonstrates you have the deepest level of skills needed to proficiently use key Office programs. Find training and earn an MOS Master certification
Keyboard shortcut for print screen - Microsoft Support
Depending on your hardware, you may use the Windows Logo Key + PrtScn button as a shortcut for print screen. If your device does not have the PrtScn button, you may use Fn + Windows logo key + Space Bar to take a screenshot, which can then be printed.. To locate your screenshots, open File Explorer from the taskbar. On the side navigation pane, select the Pictures folder, and select Screenshots.
Microsoft .NET Framework 4.7.2 offline installer for Windows
Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.