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Protect an Excel file - Microsoft Support
To learn the difference between protecting your Excel file, workbook, or a worksheet, see Protection and security in Excel. Select File > Info. Select the Protect Workbook box and choose Encrypt with Password. Enter a password in the Password box, and then select OK. Confirm the password in the Reenter Password box, and then select OK.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Why is my Internet connection so slow? - Microsoft Support
Windows provides a built-in troubleshooter that can automatically find and fix some common connection problems. Open the Internet Connections troubleshooter by clicking the Start button , and then clicking Control Panel. In the search box, type troubleshooter, and then click Troubleshooting. Under Network and Internet, click Connect to the ...
Troubleshooting offline printer problems in Windows
If the Get Help app is unable to resolve your printer issue, try the possible solutions listed: 1. Check to make sure the printer is turned on and connected to the same Wi-Fi network as your device. 2. Unplug and restart your printer. 3. Set your printer as the default printer. 4. Clear the print queue.
Use the On-Screen Keyboard (OSK) to type - Microsoft Support
To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it. Note: To open the OSK from the sign-in screen, select ...
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
Dictate in Microsoft 365 - Microsoft Support
Dictate in Microsoft 365. Word for Microsoft 365 Outlook for Microsoft 365 More... Dictation lets you use speech-to-text to author content in Office with a microphone and reliable internet connection. Use your voice to quickly create documents, emails, notes, presentations, or even slide notes.
Applies To: Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Word for the web, OneNote for the web, Word for iPhone, Word for Android phones
Find all your apps and programs - Microsoft Support
There are several ways you can find what you need. Select Start , select All apps, and then scroll through the alphabetical list on the left. Tip: To reduce scrolling you can select any letter in the list, then in the alphabet links that display, select a letter to jump down to that section. For example, select "T" if you're looking for the ...
How to recover a hacked or compromised Microsoft account
The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent. Start. Click or tap to see steps you can take. Step 1: Clear your PC of viruses or malware before you change your password.
Share your Microsoft 365 Family subscription - Microsoft Support
If you're using a Microsoft 365 Family subscription that someone else shared with you, or if you have another type of Microsoft 365 subscription, you can't share your subscription with other people. Choose how you'd like to share. Select Email invite then enter their email and select Invite. Select Create link then select Copy link.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Microsoft 365 for home, Office for business, Microsoft account dashboard
如何安装最新版本的 DirectX - Microsoft 支持
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。