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Sign in using Microsoft Authenticator - Microsoft Support
If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:
VLOOKUP function - Microsoft Support
Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
Find all your apps and programs - Microsoft Support
Learn more about how to find all your apps and programs in the all new Windows Start menu.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now. For version 2004, 20H2, 21H1, and 21H2 devices that receive updates directly from Windows Update ...
Come riscattare buoni regalo e codici | Xbox Support
Scopri come riscattare un buono regalo Microsoft/Xbox o un altro codice sul dispositivo mobile, sul dispositivo Windows o sulla console Xbox.
Basic tasks in Excel - Microsoft Support
Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Calculate the difference between two dates - Microsoft Support
Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Scan a document or picture - Microsoft Support
A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.