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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
Microsoft Edge、浏览数据和隐私 - Microsoft 支持
如何在 Microsoft Edge 中管理隐私设置. 要更改跟踪防护级别、清除浏览数据、帮助改进 Microsoft Edge 等,请选择“设置及更多 ” > “设置 ” > “隐私、搜索和服务 ”。 要选择网站是否可以向你请求位置、相机、麦克风等权限,请选择“设置及更多 ” > “设置 ” > “站点权限”。
Change an email signature - Microsoft Support
Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Accept or reject tracked changes in Word - Microsoft Support
Important: To remove tracked changes, you must accept or reject them.To remove comments, you must delete them. Choosing the No Markup view only temporarily hides changes and comments. They will be visible again the next time someone opens the document.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word 2013
Install or reinstall OneNote for Windows - Microsoft Support
Note: If you installed OneNote before you install and activate Microsoft 365 or Office 2019, then the end-user license that appears in OneNote will display as “Home and Student.”As soon as you’ve activated your edition of Microsoft 365 or Office 2019 and then restart OneNote, your license will be applied to OneNote, even though the default license for it may still be displayed as “Home ...
Applies To: OneNote for Microsoft 365, OneNote 2016, Office for business
Getting the most out of your PC backup - Microsoft Support
When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.
Manage audio settings in Microsoft Teams meetings
Audio source. When you choose this... Computer audio Your computer's default speaker and mic will be used during the meeting. To adjust your PC mic and speaker settings, select Open device settings .. In Audio settings, select the audio devices you want to use from the Speaker and Microphone dropdown menus.You can alsoturn on spatial audio and adjust noise suppression.
Applies To: Microsoft Teams
Mouse and keyboard problems in Windows - Microsoft Support
Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.
Using your keyboard - Microsoft Support
The following illustration shows how these keys are arranged on a typical keyboard. Your keyboard layout might be different. Typing text. Whenever you need to type something in a program, e‑mail message, or text box, you'll see a blinking vertical line ( ) called the cursor or insertion point.It shows where the text that you type will begin.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭,请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备(以及网络,如果有)更容易受到未经授权的访问。