Microsoft Authenticator FAQs - Microsoft Support
Verification codes. No. The codes don't require you to be on the internet or connected to data, so you don't need phone service to sign in. Additionally, because the app stops running as soon as you close it, it won't drain your battery.
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
从屏幕右边缘滑入,然后点击“搜索”。 如果你使用的是鼠标,请指向屏幕右下角,然后单击“搜索”。在 “搜索 ”框中键入“命令提示符”,右键单击“ 命令提示符”,然后单击“ 以管理员身份运行”。如果系统提示你输入管理员密码或进行确认,则键入密码或单击“允许”。
Troubleshooting verification code issues - Microsoft Support
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.
Applies To:
Microsoft account dashboard
Learn about Microsoft Rewards - Microsoft Support
In order to obtain the details of your reward, please go to your Order History and scan through the list of your orders. Look for the reward in question and at the far-right, click the Order Details button to get your redemption code or link.
Applies To:
Microsoft account dashboard
Enable virtualization on Windows - Microsoft Support
Virtualization lets your Windows device emulate a different operating system, like Android or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your device.
Calculation operators and precedence in Excel - Microsoft Support
Operators specify the type of calculation that you want to perform on elements in a formula—such as addition, subtraction, multiplication, or division. There are four different types of calculation operators: arithmetic, comparison, text concatenation, and reference.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel for iPad, Excel Web App, Excel for iPhone, Excel for Android tablets, Excel for Android phones, Excel for Windows Phone 10, Excel Mobile
Open files from the File menu - Microsoft Support
Tip: If you want to bypass File > Open and always use the Open dialog box, do this: Select File > Options > Save, and then select the Don’t show the Backstage when opening or saving files check box. Then, close and reopen any open Office applications. Note that this change only affects what you see when you press CTRL+O to access the Open Files dialog box.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2024, Word 2024, PowerPoint 2024, Access 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Excel 2024 for Mac, PowerPoint 2024 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
Use Copilot in Microsoft Teams meetings - Microsoft Support
Only during the meeting: Copilot starts as soon as it’s selected in the meeting controls.Copilot uses speech-to-text data to provide insights about what is said in the meeting. If someone starts transcribing the meeting, Copilot will be available during and after the meeting for portions that were transcribed.
Applies To:
Microsoft Teams
Change the power mode for your Windows PC - Microsoft Support
Choose the power mode that works for you and what you want to do on your Windows 10 PC. This lets you determine what’s important to you—getting the best battery life, best performance, or a balance between the two.
Remove specific prevalent malware with Windows Malicious Software ...
Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.