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Import or export text (.txt or .csv) files - Microsoft Support
Import a text file by opening it in Excel. You can open a text file that you created in another program as an Excel workbook by using the Open command. Opening a text file in Excel does not change the format of the file — you can see this in the Excel title bar, where the name of the file retains the text file name extension (for example, .txt or .csv).
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Create a folder or subfolder in Outlook - Microsoft Support
To add a folder to the folder pane, do the following: In the left pane of Mail, Contacts, Tasks, or Calendar, right-click where you want to add the folder, and then click New Folder.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Windows 11 and Secure Boot - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Sign in using Microsoft Authenticator - Microsoft Support
Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:
Fix problems with the Start menu - Microsoft Support
Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC, selecting OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.
Get help with your Microsoft account - Microsoft Support
Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.
Applies To: Microsoft account dashboard
Stay protected with Windows Security - Microsoft Support
Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.
Troubleshooting offline printer problems in Windows
To find out if your printer is connected to Wi-Fi, see if your printer's built-in menu has options for checking its Wi-Fi connection, or check the printer's manual for instructions about how to add it to a Wi-Fi network.
Windows - Microsoft
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:
Install Office 2007 - Microsoft Support
Activate Office 2007. You’ll need to activate Office to keep your Office programs working fully. To activate from Excel, Word, PowerPoint, and Access:
Applies To: Office 2007