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获取 Windows 操作系统的官方支持和帮助信息,以及如何使用 Windows 的指南。
Manage drive space with Storage Sense - Microsoft Support
Cloud files can exist locally on the disk or be available online only. To choose the conditions for when inactive files are made online only, under Content will become online-only if not opened for more than: choose your preferred amount of time. Note that starting in Windows 11, version 22H2, the default for OneDrive cloud files is to make files online-only if not opened for more than 30 days.
DATEDIF function - Microsoft Support
Argument. Description. start_date . Required. A date that represents the first, or starting date of a given period. Dates may be entered as text strings within quotation marks (for example, "2001/1/30"), as serial numbers (for example, 36921, which represents January 30, 2001, if you're using the 1900 date system), or as the results of other formulas or functions (for example, DATEVALUE("2001 ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, SharePoint Foundation 2010, SharePoint Server 2010, Windows SharePoint Services 3.0
How to use two-step verification with your Microsoft account
What happens when you turn on two-step verification? If you turn on two-step verification, you’ll get a security code to your email, phone, or authenticator app every time you sign in on a device that isn't trusted.When two-step verification is turned off, you will only have to verify your identity with security codes periodically, when there might be a risk to your account security.
April 23, 2024—KB5036980 (OS Builds 22621.3527 and 22631.3527) Preview
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Install, manage, or uninstall apps in Microsoft Edge
Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app. Once the application is installed, it will appear under edge://apps.
Applies To: Microsoft Edge
Phishing and suspicious behavior in Outlook - Microsoft Support
A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Form controls - Microsoft Support
In the Cell link box, enter a cell reference that contains the current state of the option button.. The linked cell returns the number of the selected option button in the group of options. Use the same linked cell for all options in a group.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Share and access a view-only calendar in Outlook
Notes: If your email account uses Exchange, you will see Publish This Calendar, instead of the option to publish to a WebDAV server.This lets you publish your calendar directly to an Exchange Server. In the window that opens, select the publishing options you want, and click Start Publishing.. If you're using Microsoft 365, you can still publish your calendar to a WebDAV server, but you must ...
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
Share your Microsoft 365 Family subscription - Microsoft Support
Manage invitations to share Microsoft 365. On the Microsoft account, Sharing page, under the section Other people, you can view and manage invitations you’ve created.You can check the status of an invitation, resend, or delete invitations. If the person you sent an invitation to can't find it, see Can't find an invitation to share Microsoft 365 Family.
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